| 单词 | 单价 |
| 释义 | 〔univalent〕Having valence 1.单价的；一价的〔phenyl〕The univalent organic radical C6H 5, derived from benzene by removal of one hydrogen atom. 苯基：单价有机基因，C6H 5，通过去掉一个氢原子而从苯中提炼出来 〔bisulfate〕The univalent inorganic acid group HSO4 or a salt of sulfuric acid containing it. 硫酸氢盐：单价无机酸HSO4或含有它的硫酸盐 〔alum〕Any of various double sulfates of a trivalent metal such as aluminum, chromium, or iron and a univalent metal such as potassium or sodium, especially aluminum potassium sulfate, AlK(SO4) 2·12H 2O, widely used in industry as clarifiers, hardeners, and purifiers and medicinally as topical astringents and styptics. 明矾，白矾：一种三价金属双硫酸盐，如铝、铬、铁和单价金属如钾或钠，特别是铝钾硫酸盐AlK(SO4) 2·12H 2O，在工业上广泛用作沉淀剂、硬化剂和净化剂，医学上用作局部收敛剂和止血剂 〔benzoyl〕The univalent radical C6H 5ICO -, derived from benzoic acid. 苯甲醯：一种单价基C6H 5ICO -，从苯甲酸衍生而来 〔ammonium〕The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals. 铵：从氨中衍生而来的单价化学离子NH4+，其化合物在化学性质上类似碱金属 〔bisulfite〕The univalent inorganic acid group HSO3 or a salt of sulfurous acid containing it. 二硫化物：单价无机酸HSO3或含有它的硫酸盐 〔amyl〕The univalent organic radical, C5H 11, occurring in many organic compounds in eight isomeric forms. Also called pentyl 戊烷基：单价有机基，C5H 11，以八种异构形式出现在很多有机化合物中 也作 pentyl〔cyanogen〕A univalent radical, CN, found in simple and complex cyanide compounds.氰基：一种单价基因，氯化苯乙酮，存在于简单的和复杂的氰化物中〔methyl〕The univalent hydrocarbon radical, CH3-, derived from methane and occurring in many important organic compounds. 甲基：单价碳氢基，CH3-，由甲烷中衍生出，在许多重要有机化合物中出现 〔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〔allyl〕The univalent, unsaturated organic radical C3H 5. 烯丙基：单价的不饱和的有机自由基C3H 5 〔hydroxyl〕The univalent radical or group OH, a characteristic component of bases, certain acids, phenols, alcohols, carboxylic and sulfonic acids, and amphoteric compounds.羟基：单价原子团或羟团，是碱、一些酸、酚、醇、羧酸和硫酸及两性化合物的主要成分〔alkyl〕A monovalent radical, such as ethyl or propyl, having the general formula CnH 2n + 1. 烷基，烃基：一种单价基，如乙烷基和丙基，分子式为CnH 2n + 1 〔phosphonium〕A univalent radical, PH4, derived from phosphine. 磷根：一种单价基因，PH4，从磷化氢中提炼而得 〔formyl〕The negative univalent radical HCO, characteristic of aldehydes.甲酰：负的单价HCO原子，具乙醇的特性〔benzyl〕The univalent radical C6H 5CH 2-, derived from toluene. 苄基，苯甲基：一种单价基C6H 5CH 2-，从甲苯衍生而来 〔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〔propyl〕A univalent organic radical with composition C3H 7, derived from propane. 丙基：一种化学式为C3H 7的单价的有机放射物，由丙烷生成 |
| 随便看 |
英汉汉英双解词典收录301015条英汉双解翻译词条，可根据汉字查询相应的英文词汇，基本涵盖了全部常用汉字的英文读音、翻译及用法，是英语学习及翻译工作的有利工具。