| 单词 | 化学元素 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔FIND〕Among the discoveries of the late nineteenth century were several new chemical elements, including radium. 19世纪后期的发现中有几种新的化学元素，包括镭。朗文写作活用〔allotrope〕A structurally differentiated form of an element that exhibits allotropy.同素异形体：化学元素的结构分化形式，表现为同素异形现象美国传统〔compound〕Dalton believed that the simplest compound of two elements must have one atom of each.道尔顿认为由两种化学元素组成的最简单化合物必须含有每种元素的一个原子。牛津搭配〔fingerprint〕Ordinarily, spectral patterns were well understood fingerprints for identifying chemical elements in the stars.光谱图型通常是鉴别星球上化学元素特征的人所熟知的依据。英汉大词典〔nucleosynthesis〕The process by which heavier chemical elements are synthesized from hydrogen nuclei in the interiors of stars.核合成：较重的化学元素从星球内部的氢核合成的过程美国传统〔periodicity〕The tendency of chemical elements with similar positions in the periodic table to have similar properties.周期律：化学元素在周期表中有相似位置时具有相似特性的趋势美国传统〔posit〕Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉假定化学元素放射电磁信号。外研社新世纪〔posit〕Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉假定化学元素放射电磁信号。柯林斯高阶〔trace element〕A chemical element required in minute quantities by an organism to maintain proper physical functioning.微量元素：生物体所需要的以维持正常的生理功能的少量化学元素美国传统 |
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