2012年专业英语复习资料.docVIP

一、短语、单词训练。 I-steel 工字钢 P-N-Junction P-N结 N-region N区 P-region P区 v-belt V带 x-ray: x射线 Building 建筑物 makeup: 化妆品 well-known: 著名的 carbon steel:碳钢 by-product:副产物 SOS：Save Our Souls 呼救救命(国际呼救号) UK：Unite Kings英国 Million百万 ￡：pound：英镑 Flu：influenza：流感 Acid；酸 Hydrogen：氢 weight losses：重量损失,质量损失 Activity活性 Conversion：转化率 Neutralize :中和 steel rusty 钢生锈 molecular structure 分子结构 X-ray diffraction x射线衍射 proton 质子 chemical reactions 化学反应 attractive forces引力 borax硼砂 beeswax蜂蜡 emulsifying power乳化力 complicated problem复杂问题 mechanical energy机械能 sub-headings副标题 pump泵 fossil fuels矿物燃料 Benzene 苯 slurry泥浆 electrolyte solution电解液 non-conductors 非导体 six-carbon ring 六元碳环 double bond 双键 sulfuric acid 硫酸 Engine revolution 发动机转速 Purified hydrogen 纯氢 sulphonation 磺化 the desired temperature 要求的温度 solution in the tank： 储槽溶液 rubber and glass 橡胶和玻璃 kinetic energy and heat energy动能和热能 aromatics芳香烃 an electric current电流 most organic research大多数的有机研究 二、注意名词单复数 1 Other evaporation materials and processes will be discussed briefly. 将简要讨论其他蒸发材料和工艺. 2 ,The homologs of benze are those containing a alkyl goup or alkyl groups in place of one or more hydrogen atoms 苯的同系物指的是一个或多个烷基取代苯中的氢的产物 Ketones are very closely related to both aldehydes and alcohols. 酮与醛和醇的关系都很密切。 ,Evaporation differs from crystallization in that emphasis is placed on concentrating a solution rather than forming and building crystals. 蒸发与结晶不同，因为蒸发着重于将溶液浓缩而不是生成和析出结晶。 三、注意词序转换 1， Two widely used alloys of copper are brass and bronze. 两种广泛使用的铜合金是青铜和黄铜. 2, We call stored mechanical energy potential energy. 我们称储存的机械能为势能. 3, Water can be decomposed by energy , a current of electricity. 水能被电能分解 4，Having been well insulated , the wire may be used as a conductor. 经良好绝缘后,金属线可用作导体 People regard the sun as the chief source of heat and light 人们把太阳视为主要的热源和光源。 We can transform water into two gases by passing an electric current through it. 让电流通入水中，我们就能把水变为两种气体。 The figure shows