| 单词 | 自然界 |
| 释义 | 〔balance〕upsetting the balance of nature through the use of insecticides;由于杀虫剂的使用破坏自然界的平衡；〔natural〕Faithfully representing nature or life.真实呈现的：真实地反映自然界或生活的〔myth〕A traditional, typically ancient story dealing with supernatural beings, ancestors, or heroes that serves as a fundamental type in the world view of a people, as by explaining aspects of the natural world or delineating the psychology, customs, or ideals of society:神话；神话故事：一种传统的、通常是古代的故事，它涉及有超自然的生灵、祖先或作为人们世俗目光中重要而典型的英雄人物，如通过解释自然界的方面或描写心理、风俗或社会思想：〔elemental〕Of such character as to resemble a force of nature in power or effect:自然力的：具有类似自然界某种力量或效果的性质的：〔carbon〕Symbol C A naturally abundant nonmetallic element that occurs in many inorganic and in all organic compounds, exists freely as graphite and diamond and as a constituent of coal, limestone, and petroleum, and is capable of chemical self-bonding to form an enormous number of chemically, biologically, and commercially important molecules. Atomic number 6; atomic weight 12.01115; sublimation point above 3,500°C; boiling point 4,827°C; specific gravity of amorphous carbon 1.8 to 2.1, of diamond 3.15 to 3.53, of graphite 1.9 to 2.3; valence 2, 3, 4. See table at element 符号 C 碳：一种在自然界很丰富的非金属元素，存在于很多无机化合物和有机化合物中，以石墨和金刚石的形式以及作为煤，石灰岩和石油的一种成份大量存在，能在化学上自我结合而形成大量化学上，生物上和商业上重要的分子，原子序数6；原子量12.01115；升华点高于3,500°C；沸点4,827°C；非结晶质碳的比重为1.8至2.1，钻石的比重为3.15至3.53，石墨的比重为1.9至2.3；化合价为2，3，4 参见 element〔perfect〕Perfect has often been described as an absolute term like chief and prime, hence not allowing modification bymore, quite, relatively, and other qualifiers of degree. But the qualification ofperfect has numerous reputable precedents (most notably in the preamble to the U.S. Constitution in the phrase"in order to form a more perfect Union" ). What is more, the stricture is philosophically dubious.There can be no mathematically perfect forms in nature;therefore to say that any actual circle is "perfect"can mean only that it approximates the geometric ideal of circularity,a quality that it can obviously have to a greater or lesser degree.By the same token,perfect freely allows comparison in examples such as There could be no more perfect spot for the picnic, where it is used to mean "ideal for the purposes.”See Usage Note at complete ,equal ,parallel ,unique Perfect 常被描述成诸如 chief 和 prime 的绝对术语， 因此不能跟more、quite或relatively 等修饰词及其它程度限定词。 但是对perfect 的限定可有大量规范的前饰词 （最突出的例子是在美国宪法的引言部分"in order to form a more perfect Union" )。 但是，这种限定在哲学上来说是模糊的。自然界中不可能有数学般标准的形式；因此要说任何既定的圆是“绝对的”，都只意味着近似于理想状态的几何圆，这显然只能是或多或少具备的特性。同样地，perfect 在一些例子如 那儿应该是更适合野餐的地方 中任意地允许比较， 此处意为“达到意图的理想方式” 参见 complete,equal,parallel,unique〔borosilicate〕A salt that is derived from both boric acid and silicic acid and occurs naturally in dumortierite.硼硅酸盐：由硼酸和硅酸反应而得的一种盐，存在于自然界蓝线石中〔bird〕To observe and identify birds in their natural surroundings.在自然界观察和辨认鸟〔natural〕Of, relating to, or concerning nature:自然界的：属于、关于或涉及自然界的：〔sulfur〕A pale yellow nonmetallic element occurring widely in nature in several free and combined allotropic forms. It is used in black gunpowder, rubber vulcanization, the manufacture of insecticides and pharmaceuticals, and in the preparation of sulfur compounds such as hydrogen sulfide and sulfuric acid. Atomic number 16; atomic weight 32.064; melting point (rhombic) 112.8°C; (monoclinic) 119.0°C; boiling point 444.6°C; specific gravity (rhombic) 2.07; (monoclinic) 1.957; valence 2, 4, 6. See table at element 硫，硫磺：一种浅黄色的非金属元素，以几种游离的或结合的同素异形形态广泛存在于自然界中。硫磺可用于黑火药、橡胶的硫化、杀虫剂和药物的制作以及硫化合物（如硫化氢和硫酸）的配制。原子序数16；原子量32.064；熔点（正交晶）112.8°C；（单结晶）119.0°C；沸点444.6°C；比重（正交晶）2.07；（单结晶）1.957；化合价2,4,6 参见 element〔affright〕"Many of nature's greatest oddities, that would affright dwellers up here, are accepted down there"(David Mazel)“许多自然界奇闻怪事使这里的居民惊恐万分，会被别处的居民很平静地接受”(戴维·梅泽尔)〔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〔exposure〕The condition of being exposed, especially to severe weather or other forces of nature:无掩蔽，无保护：暴露的状况，尤指暴露于恶劣天气或其它自然界的危害：〔praseodymium〕A soft, silvery, malleable, ductile rare-earth element that develops a characteristic green tarnish in air. It occurs naturally with other rare earths in monazite and is used to color glass and ceramics yellow, as a core material for carbon arcs, and in metallic alloys. Atomic number 59; atomic weight 140.907; melting point 935°C; boiling point 3,127°C; specific gravity 6.8; valence 3, 4. See table at element 镨：一种银色、柔软、可延展的粘性稀土元素，在空气中能形成绿色失泽膜，在自然界中它与其它稀土元素一同存在于独居石中，用于彩色玻璃和陶器黄色颜料，是炭精电弧的核心材料，并用于金属合金。原子序数59；原子量140.907；熔点935°C；沸点3,127°C；比重6.8；化合价3,4 参见 element〔Jeans〕British astronomer, physicist, and mathematician noted for his work on the kinetic theory of gases and his investigations into the relationships between mathematical concepts and the natural world.詹姆斯，詹姆斯·霍普伍德：(1877-1946) 英国天文学家、物理学家和数学家。以气体动力学的研究和探索数学同自然界之间的关系著称〔catalyze〕"The technology bred of science has catalyzed stupendous economic growth"(Nature)“来源于科学的技术已经引起了巨大的经济增长”(自然界)〔native〕Occurring in nature pure or uncombined with other substances:天然的，纯粹的：出现在自然界的，未和其他元素相混合的：〔taxonomy〕The classification of organisms in an ordered system that indicates natural relationships.分类系统：显示自然界关联的生物体系统分类法〔Burroughs〕American naturalist and writer whose vivid essays gained him wide popularity as a benign sage of nature.伯勒斯，约翰：(1837-1921) 美国自然主义者和作家，他生动的文章使他作为一位自然界和霭可亲的智者而倍受推崇〔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〔natural〕Conforming to the usual or ordinary course of nature:合乎自然规律的：按自然界正常的或普遍的规律发生的：〔dysteleology〕The doctrine of purposelessness in nature.无目的论：认为自然界毫无目的可言的理论〔natural〕Present in or produced by nature:自然的：存在或产生于自然界的：〔biocenology〕The study of communities in nature and of interactions among their members.生物群落学：研究自然界群落和其成员间相互作用的学说〔platina〕Platinum, especially as found naturally in impure form.天然铂：铂，尤指自然界中发现的以不纯的形式存在的铂〔animism〕The attribution of conscious life to natural objects or to nature itself.泛灵论，万物有灵论：自然界物体或自然本身是有意识生命的属性〔lutein〕A yellow carotenoid pigment, C40H 56O 2, found widely in nature, first isolated in corpus luteum but later discovered in body fats, egg yolk, and green plants; xanthophyll. 叶黄素：一种黄色的类似胡萝卜素的色素，C40H 56O 2，大量存在于自然界中，最初从黄体素中分离出来，后在体内脂肪、蛋黄、绿色植物中也发现了它的存在；胡萝卜醇 〔helium〕A colorless, odorless inert gaseous element occurring in natural gas and with radioactive ores. It is used as a component of artificial atmospheres and laser media, as a refrigerant, as a lifting gas for balloons, and as a superfluid in cryogenic research. Atomic number 2; atomic weight 4.0026; boiling point -268.9°C; density at 0°C 0.1785 gram per liter. See table at element 氦：自然界天然气体或放射性矿石中一种无色、无味的惰性气体状成分。用作人造大气层和镭射媒体的组成部分，和用作制冷剂及飞行气球的气体，还在低温学研究中用作超流体。原子序数2；原子量4.0026；沸点-268.9°C；浓度在0°C时为每升0.1785克 参见 element〔commune〕hikers communing with nature.徒步旅行者与自然界亲密无间〔natural〕from nātūra [nature] * see nature 源自 nātūra [自然界] * 参见 nature |
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