化学化工专业英语长句完整版本答案化学化工专业英语答案第九章长句练习课后习题答案• 1、The two pairs of electrons of oxygen may be sharedwith, one carbon alone forming a double bond,or withtwo separate carbons, or with one carbon and onehydrogen forming only single bonds.– 译文：氧上的两对电子可与一个碳共用而形成双键，也可与两个不直接相连的碳原子共用形成单键，也可与一个碳原子和氢原子分别形成单键。（相当于三个并列句，顺译法）• 2、[Although] organic chemistry is more than 150 yearsold, its progress is faster than ever,[ as the result of newtheoretical concepts and experimental techniques fromother areas of science.]• 译文：尽管有机化学的历史已超过 150 年，但由于其它领域内不断涌现出新的理论与实验技术，有机化学的发展速度比以往任何时候都要快。（倒译法，把 as 引导的状语从句提前）• 3、The synthesis of organic compounds involvesconversion of available substances of known structure,through a sequence of particular, controlled chemicalreactions, into other compounds bearing a desiredmolecular structure.1 / 10化学化工专业英语长句完整版本答案– 译文：有机化合物的合成是将已知结构的物质，通过特定的、可控制的化学反应，转化为含有目标分子结构的其它化合物。（顺译法）• 4、 It is frequently carried out by treating thehydrocarbon with a mixture of nitric acid and sulphuricacid of certain concentration at some temperaturesuitable for the particular nitration.– 译文：对烃类物质的处理通常是将硝酸与硫酸按一定浓度比例混合后，于适合的特定温度下进行硝化。（将某一部分作为谓语）• 5、The alternate double bond arrangement in the sixcarbon ring is the characteristic of aromatichydrocarbons and is responsible for the characteristicproperties of this type of compounds.– 译文：六碳原子环上双键的交替排列是芳香烃的特征，这种结构可解释芳香烃的主要性质。（顺译法，难点在后面一句，必须意译）• 6、 Total determination of structure is also possible b...
