| 单词 | 基团 |
| 例句 | DEFINITIVE EXAMPLES 权威例句〔alkylate〕To add one or more alkyl groups to (a compound).使烷基化：在（一种化合物）中添加一个或多个烷基团美国传统〔alkylation〕A process in which an alkyl group is added to or substituted in a compound, as in the reaction of alkenes with alkanes to make high-octane fuels.烷化作用，烷基取代：向一种化合物中添加或用一个烷基团替代的过程，如用烯烃和烷烃发生反应以制得高辛烷值燃料美国传统〔alpha〕Chemistry Closest to the functional group of atoms in an organic molecule.【化学】 阿尔法位的，第一位的：在有机分子中离功能原子基团最近的美国传统〔chromophore〕A chemical group capable of selective light absorption resulting in the coloration of certain organic compounds.发色团：有机化合物中能对光进行有选择性吸收的化学基团美国传统〔cyanide〕Any of various salts or esters of hydrogen cyanide containing a CN group, especially the extremely poisonous compounds potassium cyanide and sodium cyanide.氰化物：一种包含CN基团的氰化氢的盐或酯，特别是剧毒化合物氰化钾和氰化钠美国传统〔dibromide〕A chemical compound containing two bromine atoms bound to another element or radical.二溴化物：含有两个溴原子与某元素原子或基团相结合所形成的二元化合物美国传统〔glycol〕Any of various alcohols containing two hydroxyl groups.双羟基醇：含有两个羟基团的醇美国传统〔radical〕Symbol R An atom or a group of atoms with at least one unpaired electron.符号 R 原子因，基团：至少有一个游离电子的原子或一组原子美国传统〔tetrabasic〕Containing four univalent basic atoms or radicals. Used of bases or salts.四代的：含有四个单价碱性原子或基团的，用于碱或盐美国传统〔tetrad〕A tetravalent atom, radical, or element.四价原子，基团或元素美国传统〔tetratomic〕Having four replaceable univalent atoms or radicals.四原子的：有四个可替换的单价原子或基团的美国传统〔triatomic〕Containing three replaceable atoms or radicals.三羟基的：包含有三个可取代的原子或基团的美国传统 |
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