| 单词 | 如苯 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔carbocyclic〕Having a ring composed exclusively of carbon atoms, as benzene.碳环的：有一个仅由碳原子组成的环的，如苯美国传统〔hydrocarbon〕Any of numerous organic compounds, such as benzene and methane, that contain only carbon and hydrogen.碳氢化合物：只含有碳和氢的多种有机化合物的一种，如苯和甲烷美国传统〔nucleus〕Chemistry A group of atoms bound in a structure, such as a benzene ring, that is resistant to alteration in chemical reactions.【化学】 环（晶）核：包围在抗化学反应变化的结构中的一组原子，如苯环美国传统〔refine〕Crude oil is industrially refined to purify it and separate out the different elements, such as benzene.原油经过工业提炼来提纯并且分离出诸如苯之类的不同元素。剑桥高阶Crude oil is industrially refined to purify it and separate out the different elements, such as benzene.原油经工业提炼净化，把不同的成份如苯等分离出来。剑桥国际 |
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