| 单词 | 金属 |
| 释义 | 〔amide〕A compound with a metal replacing hydrogen in ammonia, such as sodium amide, NaNH2. 氨化物：由一种金属取代氨分子中的一个氢原子得到的化合物，如氨化钠NaNH2 〔selenium〕A nonmetallic element, red in powder form, black in vitreous form, and metallic gray in crystalline form, resembling sulfur and obtained primarily as a byproduct of electrolytic copper refining. It is widely used in rectifiers, as a semiconductor, and in xerography. Its photovoltaic and photoconductive actions make it useful in photocells, photographic exposure meters, and solar cells. Atomic number 34; atomic weight 78.96; melting point (of gray selenium) 217°C; boiling point (gray) 684.9°C; specific gravity (gray) 4.79; (vitreous) 4.28; valence 2, 4, or 6. See table at element 硒：一种非金属元素，粉末状时呈红色，玻璃状时呈黑色，结晶状时呈金属般的灰色，与硫类似，通常作为副产品在电解法冶炼铜时获得。广泛地用于整流器（如半导体）和静电复印术中。其光电压的和光电导的效应使它可在光电池、照相曝光表和太阳能电池中发挥作用。原子序数34；原子量78.96；（灰色硒的）熔点217°C；沸点（灰色硒的）684.9°C；（灰色硒的）比重4.79；（玻璃状的硒）比重4.28；化合价2,4或6 参见 element〔metallic〕Having a quality suggesting or associated with metal, especially:显示出金属性质的或与金属特点有关系的，尤指〔amalgamate〕To unite or blend with another metal.混汞：和另一种金属结合或混合〔ping〕A sharp, high-pitched sound, as that made by a bullet striking metal.砰、乒、铛：如子弹击中金属时发出的尖而高的声音〔gib〕A plain or notched, often wedge-shaped piece of wood or metal designed to hold parts of a machine or structure in place or provide a bearing surface, usually adjusted by a screw or key.扁柱，夹条，凹字形楔：一种平的或有凹的经常是一块楔形的木头或金属，用来在一定地方夹住机器或结构的各部分或提供轴承的表面，通常是由螺丝或钥匙来调整〔dermabrasion〕A surgical procedure designed to remove skin imperfections, such as scars, by abrading the surface of the skin with fine sandpaper or wire brushes.磨皮法：通过细沙纸或金属刷磨擦皮肤表面除去皮肤缺陷（例如疤痕）的一种外科治疗过程〔samovar〕A metal urn with a chimney, a vertical compartment for hot charcoal, and a spigot, used especially by Russians to boil water for tea.烧水的铜壶：金属壶，具有烟囱和（产放热木炭）的直立格间以及一个龙头，尤其是俄国人用来烧热水冲茶〔vitriol〕Any of various sulfates of metals, such as ferrous sulfate, zinc sulfate, or copper sulfate.硫酸盐：各种金属硫酸盐之一，如硫酸铁、硫酸锌和硫酸铜〔beam〕A squared-off log or a large, oblong piece of timber, metal, or stone used especially as a horizontal support in construction.梁、栋梁：建筑中用作水平支撑的，多为切成方形的圆木或长方形木材、金属或石头〔mat〕A dull, often rough finish, as of paint, glass, metal, or paper.消光面：油漆、玻璃制品、金属或纸张的粗糙、无光的表面〔composite〕A complex material, such as wood or fiberglass, in which two or more distinct, structurally complementary substances, especially metals, ceramics, glasses, and polymers, combine to produce structural or functional properties not present in any individual component.复合材料：由两种或多种不同的基本物质，特别是金属、陶瓷、玻璃、聚合物混合生成的具有新结构或功能特性并且不再保留单个元素性质的材料〔caltrop〕A metal device with four projecting spikes so arranged that when three of the spikes are on the ground, the fourth points upward, used as a hazard to pneumatic tires or to the hooves of horses.铁蒺藜：一种金属装置，有四只突出的脚钉，三只立于地上，第四只指向上方，用作气动轮胎的闸或马蹄〔temper〕To harden or strengthen (metal or glass) by application of heat or by heating and cooling.回火：通过加热或热冷交替来增加（金属或玻璃）的强度和硬度〔Junkers〕German aircraft engineer who designed the first successful all-metal airplane (1915) and helped establish early mail and passenger airlines.容克，雨果：(1859-1935) 德国飞机设计家，成功地设计了首架金属飞机（1915年），帮助制定了早期的邮件和客运航线〔mace〕A heavy medieval war club with a spiked or flanged metal head, used to crush armor.重头棍棒：中世纪一种沉重的用作武器的棍棒，带有粗短刺状的或凸缘的金属头，用来击破盔甲〔assemblage〕A sculptural composition consisting of an arrangement of miscellaneous objects, such as pieces of metal, cloth, and string.装配艺术品：由不同部件，如金属，织物和串线组装在一起的雕刻装配艺术品〔thermocouple〕A thermoelectric device used to measure temperatures accurately, especially one consisting of two dissimilar metals joined so that a potential difference generated between the points of contact is a measure of the temperature difference between the points.热电偶：用于准确测量温度的热电子元件，尤指一个热电子元件，由两种连在一起的不同金属组成，这样连结点间产生的电压变化就是两点间温度差异的量度〔javelin〕A metal or metal-tipped spear, about 2.5 meters (8¼ feet) in length, used in contests of distance throwing.标枪：一种用于投掷距离的比赛的金属的或带金属尖端的长矛，长约2.5米(8¼英尺）〔demonetize〕To stop using (a metal) as a monetary standard.禁止为货币流通：使（某种金属）停止作为一种货币标准使用〔pounce〕To ornament (metal, for example) by perforating from the back with a pointed implement.从背面刺穿：用尖利的工具从背后穿孔以装饰（如金属）〔alloy〕To combine (metals) to form an alloy.铸成合金：将（几种金属）铸成合金〔cringle〕A small ring or grommet of rope or metal fastened to the edge of a sail.索环：一种固定于帆船边沿的绳索或金属上的小环圈或索眼〔cartridge〕A cylindrical, usually metal casing containing the primer and charge of ammunition for firearms.弹药筒：一种盛装火器的雷管和弹药的圆柱形金属筒〔baton〕A hollow metal rod with a heavy rubber tip or tips that is wielded and twirled by a drum major or drum majorette.金属指挥棒：鼓手挥舞使用的，顶端是厚橡皮的中空的金属棒〔work〕worked the metal into a sculpture.把金属锻成一个雕像〔cladding〕A metal coating bonded onto another metal under high pressure and temperature.覆层：在高温高压下结合到另一金属上的金属外层〔platinoid〕A metal chemically resembling platinum, especially osmium, iridium, or palladium.铂系金属：化学上类似于铂的金属，尤指铖、铱或钯〔slat〕A narrow strip of metal or wood, as in a Venetian blind.细长薄板：狭窄的金属或木头，如用于软百叶窗的〔die〕An engraved metal piece used for impressing a design onto a softer metal, as in coining money.金属模子：一种用于镌刻的金属件，可将设计好的图案压印到较软的金属上，例如压制货币〔creep〕A slow flow of metal when under high temperature or great pressure.蠕变：金属在高温或高压下的缓慢流动〔mold〕To make a mold of or from (molten metal, for example) before casting.制模：在铸造之前用或从（例如浇铸的金属）制作一个模子〔stud〕One of a number of small metal cleats embedded in a snow tire to increase traction on slippery or snowy roads.防滑钉：雪地用车轮上的小金属防滑钉之一，用于在粘滑或有雪的路面上以增加摩擦力〔forge〕A furnace or hearth where metals are heated or wrought; a smithy.锻铁炉：一种熔炉或熔床，金属可在其上高温加热并锻打成形；锻铁炉〔tinkle〕Middle English tinklen [frequentative of] tinken [to emit a brief metallic sound] 中古英语 tinklen tinken的重复动词 [发出一阵简短的金属声音] 〔armor〕A tough, protective covering, such as the bony scales covering certain animals or the metallic plates on tanks or warships.甲壳：坚硬的，保护性外壳，如履盖某些动物的骨质鳞片或坦克或战舰上的金属壳〔chalcid〕from Greek khalkos [copper (from the wasp's metallic color)] 源自 希腊语 khalkos [铜（从蜂的金属颜色得名）] 〔canister〕A box or can of thin metal or plastic used for holding dry cooking ingredients, such as flour, sugar, or tea.罐：用薄金属或塑料制成的装干食品的盒子或罐子，如面粉、糖或茶叶〔methylate〕An organic compound in which the hydrogen of the hydroxyl group of methyl alcohol is replaced by a metal.甲基化产物：一种有机合成物，是甲醇的羟基中的氢被一种金属取代〔costly〕Gold is a precious metal.金子是珍贵金属。 |
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