| 单词 | 银白色 |
| 释义 | 〔tellurium〕A brittle, silvery-white metallic element usually found in combination with gold and other metals, produced commercially as a byproduct of the electrolytic refining of copper and used to alloy stainless steel and lead, in ceramics, and, in the form of bismuth telluride, in thermoelectric devices. Atomic number 52; atomic weight 127.60; melting point 449.5°C; boiling point 989.8°C; specific gravity 6.24; valence 2, 4, 6. See table at element 碲：一种易碎的银白色的金属元素，通常在金和其它金属的结合体中发现，在铜的电解中以副产品的形式提炼出来，用于在制陶术中和在热电设备中以碲化铋的形式合铸不锈钢和铅。原子序数52；原子量127.60；熔点449.5°C；沸点989.8°C；比重6.24；化合价2，4，6 参见 element〔palladium〕A soft, ductile, steel-white, tarnish-resistant, metallic element occurring naturally with platinum, especially in gold, nickel, and copper ores. Because it can absorb large amounts of hydrogen, it is used as a purification filter for hydrogen and a catalyst in hydrogenation. It is alloyed for use in electric contacts, jewelry, nonmagnetic watch parts, and surgical instruments. Atomic number 46; atomic weight 106.4; melting point 1,552°C; boiling point 3,140°C; specific gravity 12.02 (20°C); valence 2, 3, 4. See table at element 钯：一种柔软的，易拉长的，银白色的，保持光泽的金属性元素，常与铂共生，尤其在金、镍和铜矿中存在。因为它能吸收大量氢，常用作除氢的过滤器或氢化作用的催化剂。其合金可用于电子接触器、珠宝、无磁性表部件以及外科医用器具。原子序数46；原子量106.4；熔点1,552°C；沸点3,140°C；比重12.02（在20°C时）；化合价2，3，4 参见 element〔arsenopyrite〕A silver-white to gray arsenic ore, essentially FeAsS. Also called mispickel 砷黄铁矿：一种银白色至灰色的砷矿石，尤指砷黄铁矿 也作 mispickel〔cesium〕A soft, silvery-white ductile metal, liquid at room temperature, the most electropositive and alkaline of the elements, used in photoelectric cells and to catalyze hydrogenation of some organic compounds. Atomic number 55; atomic weight 132.905; melting point 28.5°C; boiling point 690°C; specific gravity 1.87; valence 1. See table at element 铯：一种质地柔软的银白色韧性金属，室温时为液体，为最具正电性与碱性的元素，用作光电池和某些有机化合物氢化作用的催化剂。原子序数55；原子量132.905；熔点28.5°C；沸点°C；比重1.87；化合价1 参见 element〔indium〕A soft, malleable, silvery-white metallic element found primarily in ores of zinc and tin, used as a plating over silver in making mirrors, in plating aircraft bearings, and in compounds for making transistors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,000°C; specific gravity 7.31; valence 1, 2, 3. See table at element 铟：一种较软、可塑性强的银白色金属物质，主要存在于锌矿床和锡矿床中，制造镜子时镀在水银上，也可镀于飞行器表面，其合金可以做晶体管。原子序数为49；原子量114.82；熔点是156.61°C；沸点为2,000°C；比重7.31；原子价为1,2,3 参见 element〔germanium〕A brittle, crystalline, gray-white metalloid element, widely used as a semiconductor, as an alloying agent and catalyst, and in certain optical glasses. Atomic number 32; atomic weight 72.59; melting point 937.4°C; boiling point 2,830°C; specific gravity 5.323 (at 25°C); valence 2, 4. See table at element 锗：一种银白色的脆而透明的金属元素，被广泛用作半导体，可作一种合成剂和催化剂，还被用在光学玻璃中。原子序数32；原子量72.59；熔点937.4°C；沸点2,830°C；比重5.323（在25°C时）；化合价2，4 参见 element〔lanthanum〕A soft, silvery-white, malleable, ductile, metallic rare-earth element, obtained chiefly from monazite and bastnaesite and used in glass manufacture and with other rare earths in carbon lights for movie and television studio lighting. Atomic number 57; atomic weight 138.91; melting point 920°C; boiling point 3,469°C; specific gravity 5.98 to 6.186; valence 3. See table at element 镧：一种质软、银白色、有延展性的、可塑性的稀有金属，主要是从独居石和氟碳铈矿中提取出来，用于玻璃工业及电影或电视摄影照明的碳棒灯中。原子序数57；原子量138.91；熔点920°C；沸点3,496°C；比重5.98到6.186；原子价3 参见 element〔barium〕A soft, silvery-white alkaline-earth metal, used to deoxidize copper and in various alloys. Atomic number 56; atomic weight 137.34; melting point 725°C; boiling point 1,140°C; specific gravity 3.50; valence 2. See table at element 钡：一种柔软，银白色的碱土金属，用来还原铜并用于各种合金。原子序数56；原子量137.34；熔点725°C；沸点1,140°C；比重3.50；化合价2 参见 element〔aluminum〕A silvery-white, ductile metallic element, the most abundant in the earth's crust but found only in combination, chiefly in bauxite. Having good conductive and thermal properties, it is used to form many hard, light, corrosion-resistant alloys. Atomic number 13; atomic weight 26.98; melting point 660.2°C; boiling point 2,467°C; specific gravity 2.69; valence 3. See table at element 铝：一种银白色韧性金属元素，在地壳中含量最多，但只出现在混合物主要是铝土矿中。由于有良好的导电导热特性而被用来制造多种硬而轻的抗蚀合金。原子序数13；原子量26.98；熔点660.2°C；沸点2,467°C；比重2.69；化合价3 参见 element〔gadolinium〕A silvery-white, malleable, ductile, metallic rare-earth element obtained from monazite and bastnaesite and used in improving high-temperature characteristics of iron, chromium, and related alloys. Atomic number 64; atomic weight 157.25; melting point 1,312°C; boiling point approximately 3,000°C; specific gravity from 7.8 to 7.896; valence 3. See table at element 钆：一种从独居石和氟碳铈矿中获得的银白色、有韧性和延展性的稀金属元素，用于改善铁铬及有关合金的高温状态下的性能。原子序数为64；原子量为157.25；熔点为1,312°C；沸点约为3,000°C；比重为7.8至7.896；化合价为3 参见 element〔rubidium〕A soft silvery-white metallic element of the alkali group that ignites spontaneously in air and reacts violently with water, used in photocells and in the manufacture of vacuum tubes. Atomic number 37; atomic weight 85.47; melting point 38.89°C; boiling point 688°C; specific gravity (solid) 1.532; valence 1, 2, 3, 4. See table at element 铷：一种银白色的软的碱性金属元素，与空气接触会立即燃烧，与水反应剧烈，用于光电池和制造真空管。原子序数37；原子量85.47；熔点38.89°C；沸点688°C；比重（固体）1.532；化合价1,2,3,4 参见 element〔mercury〕Symbol Hg A silvery-white poisonous metallic element, liquid at room temperature and used in thermometers, barometers, vapor lamps, and batteries and in the preparation of chemical pesticides. Atomic number 80; atomic weight 200.59; melting point -38.87°C; boiling point 356.58°C; specific gravity 13.546 (at 20°C); valence 1, 2. Also called quicksilver See table at element 符号 Hg 水银，汞：一种银白色有毒金属元素，室温下呈液态，用于温度计、气压计、蒸气灯及电池中，也用于化学杀虫剂中。原子序数为80；原子量为200.59；熔点-38.87°C；沸点为356.58°C；比重为13.546（20°C时）；化合价为1,2 也作 quicksilver 参见 element〔manganese〕A gray-white or silvery brittle metallic element, occurring in several allotropic forms, found worldwide, especially in the ores pyrolusite and rhodochrosite and in nodules on the ocean floor. It is alloyed with steel to increase strength, hardness, wear resistance, and other properties and with other metals to form highly ferromagnetic materials. Atomic number 25; atomic weight 54.9380; melting point 1,244°C; boiling point 1,962°C; specific gravity 7.21 to 7.44; valence 1, 2, 3, 4, 6, 7. See table at element 锰：一种呈灰白色或银白色的易脆金属，产生于几种同素异形体中，世界各地均有，尤其盛产于软锰矿、菱锰矿和海底的结核中。它与钢的合金可增加强力、硬度、抗腐蚀力以及其它特性；与其它金属可以合成高铁磁性的材料。原子序数为25；原子量54.9380；熔点1,224°C；沸点1,962°C；比重7.21至7.44；化合价为1,2,3,4,6,7 参见 element〔antimony〕A metallic element having four allotropic forms, the most common of which is a hard, extremely brittle, lustrous, silver-white, crystalline material. It is used in a wide variety of alloys, especially with lead in battery plates, and in the manufacture of flame-proofing compounds, paint, semiconductor devices, and ceramic products. Atomic number 51; atomic weight 121.75; melting point 630.5°C; boiling point 1,380°C; specific gravity 6.691; valence 3, 5. See table at element 锑：一种金属元素，有四个同素异形体，最常见的是一种硬而脆的银白色发光晶体物质。锑普遍用于各种合金，特别是和铅一起用于电池极板，制造防火合成物、油漆、半导体装置和陶瓷制品。原子序数为51；原子量为121.75；熔点为630.5°C；沸点1,380°C；比重为6.691；化合价为3,5 参见 element〔molybdenum〕A hard, silvery-white metallic element used to toughen alloy steels and soften tungsten alloy. An essential trace element in plant nutrition, it is used in fertilizers, dyes, enamels, and reagents. Atomic number 42; atomic weight 95.94; melting point 2,617°C; boiling point 4,612°C; specific gravity 10.22 (at 20°C); valence 2, 3, 4, 5. See table at element 钼：一种银白色硬金属元素，用于加硬钢合金和软化钨合金。它是植物营养必要的一种微量元素，用于肥料、染料、搪瓷和试剂。原子序数42；原子量95.94；熔点2,617°C；沸点4,612°C；比重10.22(20°C时）；化合价为2,3,4,5 参见 element〔thorium〕A radioactive silvery-white metallic element that is recovered commercially from monazite. Its longest-lived isotope, the only one that occurs naturally, is Th 232 with a half-life of 1.41 × 1010 years. It is used in magnesium alloys, and isotope 232 is a source of nuclear energy. Atomic number 90; atomic weight 232.038; approximate melting point 1,750°C; approximate boiling point 4,500°C; approximate specific gravity 11.7; valence 4. See table at element 钍：一种商业上从独居石中提取的放射性银白色金属元素，其自然界中寿命最长的同位素是钍232，半衰期为141×1010年。用于镁合金，同位素232是核能的来源。原子序数90；原子量232.038；熔点约为1,750°C；沸点约为4,500°C；比重约为11.7；原子价为4 参见 element〔cobaltite〕A rare silver-white to gray mineral, cobalt sulfarsenide, CoAsS, that is a cobalt ore and is used in ceramics.砷钴矿：一种银白色到灰色的稀有矿物，硫化砷钴，CoAsS，是一种钴矿石，用于陶瓷〔smelt〕Any of various small silvery marine and freshwater food fishes of the family Osmeridae, found in cold waters of the Northern Hemisphere, especiallyOsmerus mordax of North America and O. eperlanus of Europe. 胡瓜鱼：胡瓜鱼科中的几种小型银白色海洋和淡水食用鱼类中的一种，发现于北半球的寒带水域，尤指产于北美洲的食用胡瓜鱼 和产于欧洲的 寄生胡瓜鱼 〔neptunium〕A silvery, metallic, naturally radioactive element, atomic number 93, the first of the transuranium elements. Its longest-lived isotope is Np-237 with a half-life of 2.1 million years. Found in trace quantities in uranium ores, it is produced synthetically by nuclear reactions. See table at element 镎：一种银白色的、金属性天然放射性元素，原子序数为93，第一个超铀元素。其周期最长的同位素为Np-237，半衰期为210万年。见于铀矿的示踪量中，由核反应合成生产出来 参见 element〔magnesium〕A light, silvery-white, moderately hard metallic element that in ribbon or powder form burns with a brilliant white flame. It is used in structural alloys, pyrotechnics, flash photography, and incendiary bombs. Atomic number 12; atomic weight 24.312; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See table at element 镁：一种质轻、银白色的成条状或粉状的中性硬度金属元素，燃烧时有很亮的白色火焰。用于建筑方面的合金、焰火、闪光灯或燃烧弹。原子序号12；原子量24.312；熔点649°C；沸点1,090°C；比重1.74(20°C时）；原子价2 参见 element〔pyrophyllite〕A silvery white or pale green aluminum silicate mineral, Al2Si 4O 10(OH) 2, occurring naturally in soft, compact masses. 叶腊石：一种银白色或浅绿色的铝硅酸盐矿石，Al2Si 4O 10(OH) 2，在松软紧密的矿堆中自然产生 〔platinum〕Symbol Pt A silver-white metallic element occurring worldwide, usually mixed with other metals such as iridium, osmium, or nickel. It is ductile and malleable, does not oxidize in air, and is used as a catalyst and in electrical components, jewelry, dentistry, and electroplating. Atomic number 78; atomic weight 195.09; melting point 1,772°C; boiling point 3,827°C; specific gravity 21.45; valence 2, 3, 4. See table at element 符号 Pt 铂：一种世界范围内存在的银白色金属元素，常与其它金属，如铱、锇或镍混合，易拉长且具延展性的，在空气中不氧化，可用作催化剂，用于电学元件、珠宝，牙科学和电镀中。原子序数78；原子量195.09；熔点1,772°C；沸点3,827°C；比重21.45；化合价2,3,4 参见 element〔rhenium〕A rare, dense, silvery-white metallic element with a very high melting point used for electrical contacts and with tungsten for high-temperature thermocouples. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See table at element 铼：一种稀有的不透光银白色金属元素，具有非常高的熔点。用作电气触点，与钨用作高温热电偶。原子序数75；原子重量186.2；熔点3,180°C；沸点5,627°C；比重21.02；化合价1，2，3，4，5，6，7 参见 element〔cero〕An edible fish(Scomberomorus regalis) of western Atlantic waters, having silvery sides and a dark-blue back. Also called sierra 卡瓦拉马鲛，大王马鲛：一种产于大西洋西部水域的食用鱼（大西洋马鲛） ，躯侧呈银白色，背呈深蓝色 也作 sierra〔potassium〕A soft, silver-white, highly or explosively reactive metallic element that occurs in nature only in compounds. It is obtained by electrolysis of its common hydroxide and found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.102; melting point 63.65°C; boiling point 774°C; specific gravity 0.862; valence 1. See table at element 钾：只以化合物形式存在的柔软的，银白色的，极为活泼的金属元素。这种元素通过将其常见的氢氧化物进行电解而得到，存在于或转化成各种各样的盐，这些盐尤用于制造化肥及肥皂。原子序数为19；原子量39.102；熔点63.65°C；沸点774°C；比重为0.862；原子价为1 参见 element〔bluing〕A rinsing agent used to give a silver tint to gray or graying hair.染剂：一种将灰色染成银白色的染剂〔europium〕A silvery-white, soft, rare-earth element occurring in monazite and bastnaesite and used to dope lasers and to absorb neutrons in research. Atomic number 63; atomic weight 151.96; melting point 826°C; boiling point 1,439°C; specific gravity 5.259; valence 2, 3. See table at element 铕：存在于独居石和氟碳矿中一种银白色、柔软的稀有金属，在研究中常用于激光器添加剂以吸收中子。原子序数63；原子量151.96；熔点826°C；沸点1,439°C；比重5.259；化合价2,3 参见 element〔silverback〕A mature male gorilla having silvery white hair across the back.银背大猩：一种背上有银白色毛的成熟的雄性大猩〔sylvanite〕A pale brass-yellow to silver-white ore of gold and silver, chiefly (Au,Ag)Te2. 针碲金银矿：一种淡铜黄色到银白色的金银矿，主要由(Au,Ag)Te2组成 〔rhodium〕A hard, durable, silvery-white metallic element that is used to form high-temperature alloys with platinum and is plated on other metals to produce a durable corrosion-resistant coating. Atomic number 45; atomic weight 102.905; melting point 1,966°C; boiling point 3,727°C; specific gravity 12.41; valence 2, 3, 4, 5, 6. See table at element 铑：一种坚硬，延展性的，银白色金属元素，用于与铂形成高温合金并涂于其它金属上以产生具坚固的抗腐蚀涂层。原子序数45；原子重量102.905；熔点1,966°C；沸点3,727°C；比重12.41；化合价2，3，4，5，6 参见 element〔lutetium〕A silvery-white rare-earth element that is exceptionally difficult to separate from the other rare-earth elements, used in nuclear technology. Atomic number 71; atomic weight 174.97; melting point 1,663°C; boiling point 3,395°C; specific gravity 9.840 (at 25°C); valence 3. See table at element 镥：一种很难从其它稀有元素中分离出来的用于核技术的银白色稀有元素。原子序数71；原子重量174.97；熔点1,663°C；沸点3,395°C；比重9.840（温度25°C时）；化合价3 参见 element〔scandium〕A silvery-white metallic element found in various rare minerals and separated as a byproduct in the processing of certain uranium ores. An artificially produced radioactive isotope is used as a tracer in studies of oil wells and pipelines. Atomic number 21; atomic weight 44.956; melting point 1,540°C; boiling point 2,850°C; specific gravity 2.99; valence 3. See table at element 钪：一种发现于许多稀有矿物中的银白色金属元素，是某种铀矿加工过程中分离出的副产品，人造放射性同位素被用作油井和油气管道的探测剂。原子序数21；原子量44.956；熔点1,540°C；沸点2,850°C；比重2.99；化合价3 参见 element〔iron〕Symbol Fe A silvery-white, lustrous, malleable, ductile, magnetic or magnetizable, metallic element occurring abundantly in combined forms, notably in hematite, limonite, magnetite, and taconite, and used alloyed in a wide range of important structural materials. Atomic number 26; atomic weight 55.847; melting point 1,535°C; boiling point 2,750°C; specific gravity 7.874 (at 20°C); valence 2, 3, 4, 6. See table at element 符号 Fe 铁：一种银白色的、有光泽、有韧性、可延展，有磁性或可被磁化的金属，以化合物形式大量存在，主要有赤铁矿、褐铁矿、磁铁矿和角岩，在许多种重要结构材料中用作合金的一种。原子序数26；原子量55.847；熔点1,535°C；沸点2,750°C；比重7.874（在20°C时）；化合物2，3，4，6 参见 element〔tin〕Symbol Sn A malleable, silvery metallic element obtained chiefly from cassiterite. It is used to coat other metals to prevent corrosion and is a part of numerous alloys, such as soft solder, pewter, type metal, and bronze. Atomic number 50; atomic weight 118.69; melting point 231.89°C; boiling point 2,270°C; specific gravity 7.31; valence 2, 4. See table at element 符号 Sn 锡：一种银白色可延展的金属元素，主要从锡石中获取。它用于包裹其它金属以防止腐蚀，它也是各种合金，如软焊料、白腊、铅字合金和青铜的一部分。原子序数50；原子量为118.69；熔点231.89°C；沸点2,270°C；比重7.31；原子价2,4 参见 element〔uranium〕A heavy silvery-white metallic element, radioactive and toxic, easily oxidized, and having 14 known isotopes of which U 238 is the most abundant in nature. The element occurs in several minerals, including uraninite and carnotite, from which it is extracted and processed for use in research, nuclear fuels, and nuclear weapons. Atomic number 92; atomic weight 238.03; melting point 1,132°C; boiling point 3,818°C; specific gravity 18.95; valence 2, 3, 4, 5, 6. See table at element 铀：银白色的重金属元素，有放射性并且有毒，容易被氧化。已知有14个同位素，其中U238是自然界含量最多的。这种元素存在如沥青铀矿和钒钾铀矿等几种矿中，并从中提炼和加工，主要用于研究，核燃料和核武器。原子序数为92；原子量为238.03；熔点为1,132°C；沸点3,818°C；比重18.95；化合价2，3，4，5，6 参见 element〔sodium〕A soft, light, extremely malleable silver-white metallic element that reacts explosively with water, is naturally abundant in combined forms, especially in common salt, and is used in the production of a wide variety of industrially important compounds. Atomic number 11; atomic weight 22.99; melting point 97.8°C; boiling point 892°C; specific gravity 0.971; valence 1. See table at element 钠：一种软、轻、极有伸展性的银白色金属元素，和水起爆炸反应，化合的形式较丰富，尤其是以普通盐的形式存在，在很多种重要的工业化合产品的生产中得到广泛应用。原子序数11；原子量22.99；熔点97.8°C；沸点892°C；比重0.971；原子价1 参见 element〔tarpon〕Any of several fishes of the family Elopidae or Megalopidae, especially a large silvery game fish(Megalops atlanticus) of Atlantic coastal waters. 大海鲢：任一种属于海鲢或大海鲢科的鱼类，尤指大西洋沿岸水域所产的一种大型的银白色食用鱼（大西洋大海鲢） |
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