003怎样记忆词汇[1].ppt

1、机械工程英语,Mechanical Engineering English,怎样记忆词汇（Remember Tips）,词义 词类 读音与拼写 变化与用法 So, 一般的词典至少都要列出一个词的词义、词类、读音，至于用法，较大的词典也大都有说明 如：Screw skru: n. v.t.,需要记住什么：（what）,与纵横各方面有关的事物联系起来记，不要一个个单词孤立地记 反复循环记忆 China had no machine tool industry before liberation. Old China even could not produce the poorest machin

2、e tools. After liberation, under the leadership of the Party, the working people of China undertook to build an entirely new manchine manufacturing industry for China. Today, we have large and small factories and machining centers that produce all kinds of newest mechanical devices. The quality is i

3、mproving and the quantiry is increasing at a great speed.,如何记住生词：（How）,词汇的翻译问题（Remember Tips）,词量的增加 A）抽象概念名词或表示动作意义名词（或动名词） Flatation, fission, solution, transmission, knurling, gearing, instrumentation, setting, loading, grounding Water may be heated to very high temperatures, but no noticeable dec

4、omposition takes place. B）根据上下文，英语句中往往会省略某些成分 The fine feeds are one third and the coarse are eight times of the normal feeds. C）英语中名词复数通常用s或es表示 Release automatic clamps of the moving members by means of selection switch 13 on the main control panel. D）英语词汇与汉语词汇的搭配关系或借代习惯不同 The lever(F1) is set at

5、N (provided normal feed is used) E）英语词汇与汉语词汇的搭配关系或借代习惯不同 This is a record increase.,词量的增减：（Addition otherwise a rapid destruction of the chain links would happen. B）为了强调或把意义叙述得更为清楚，一个词后往往用另一个意义相同的词加以说明 Loosen the outer ring nut(1), retighten the inner ring nut(2) so that the spindle can be rotated e

6、asily by hand without catching or jamming C）英语中普遍用冠词，介词、连词和代词也较多 “e” represents the electron. Its mass is very small, but it carries a negative charge on it. D）重复使用谓语动词、介词等 This drying method is the simplest and easiest with regard to the generator manipulation and with regard to the measurement. E）

7、英语习惯，同一概念在文中重复出现时，使用一些同义词或同义结构来表达 如feature, characteristic behavior, behavior, properties,词量的增减：（Addition & Subtration）,构词手段，根据词的前缀、词根、后缀等来确定恰当的译名 Pre-deburring, unloader 还可根据上下文来确定 Jet propelled planes consumes enormous quatities of propellant. 名词转化为动词的新词 The tree trunks were tractored to the river

8、 bank to be floated down stream.,新词的翻译：（New word）,有些词在不同的场合，属于不同的词类，意义可能不同；有些形容词加-ly以后，词义有改变 A）hard To liberate oxygen from a compound is not a very hard task. Edison worked hard all his life. Many substances are hardly soluble in water. B）ready The plane is ready to take off. Charcoal readily absor

9、bs many gas.,词义的改变：（Change）,Ones hair stand on end In a rut,Idioms,Riddles,1. Q: What starts with E, ends with E and only has one letter？,A: Envelope.,A: It depends on how many people are standing in it.,2. Q: How many feet are in a yard?,Homework Please translate the paragraph below in Chinese Sett

10、ing of the spindle speeds is accomplished by manipulating levers 1-2-3, Fig. 11, while the spindle is run idle or slowing down.（词量的减少） 在车床主轴空转或转速慢下来的情况下，可扳动手柄1-2-3（见图11）调整主轴的转速。 The preparation of the machine for the first-time starting is finished with the fulfillment of all the above-stated requirements.（词量的增加） 上述各点完成之后，首次启动机床的准备工作才算就绪。,The sleeve and feed screw shaft of the tailstock are oiled through the oil nipple O5 and the shaft of the hand wheel t