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1、第二讲科技英语的词汇特征第二讲机电专业英语词法基础Partone:words:1、currentloopfluxpiecegainpigdogcatcockhorsefishsnakebirdcoatfoxshoebrushcapbedbenchcupdiskdeskhouseeyeeartablenosehandfootheadfingerbodyhairneckmonkeytooth2、transmissionpowerphaseresistancePartone:构词法1、派生词（1）前缀①multi-②hyper-，sup
2、er③inter-④micro-⑤tele-⑥by-⑦centi-⑧co-⑨counter-dis-en-ex-in-kilo-milli-mis-a-anti-auto-bi-semi,heminon-mono-over-poly-post-pre-re-（2）后缀1）常见的构成名词的后缀-age-ance-ant,-ent-er-ese…-ess-graph-ing-ism-ist-ivity-ment-meter-ness-scope-or-ship-th-tion-ty-ure-ware-y2）常见的构成形容词的后缀-ab
3、le-al-ant-ar-ary-ed-en-ent-ful-ible-ic-ive-less-ly-ous-some-y3）常见构成动词的后缀：-ate-en-fy-ize6第二讲科技英语的词汇特征4）常见的构成副词的后缀：-ly-wards-wise2、合成词1）合成名词名词+名词名词+动名词动名词+名词形容词+名词动词+名词副词+动词动词+副词2）合成形容词名词+现在分词名词+过去分词形容词+现在分词形容词+过去分词形容词+名词形容词+名词+ed形容词＋形容词数词+名词数词+名词+ed副词+现在分词副词+过去分词介词或副词+
4、名词3）合成动词：名词+动词形容词+动词副词或介词+动词3、转化法1）名词转化为动词2）动词转化为名词3）形容词转化为名词4、缩略词1）节略词（clippedwords）：maths,ad,dir,lab2）首字母(Initials)：CAD,CAM,CAE,VM,QIS,DB,ES,CPU,DBMS，CGA，ROM,RAM3）缩写词（Abbreviation）：e.g.,Ltd.,sq.5、拼缀法：programmatic，telecamera，comsat，forexPartthree:Drills:1Thereisnophy
5、sicalcontactbetweentoolandworkpiece.2Publicopinionisdemandingmoreandmoreurgentlythatsomethingmustbedoneaboutnoise.3Thereisawideareaofperformanceduplicationbetweennumericalcontrolandautomatics.4High-speedgrindingdoesnotknowthisdisadvantage.5Youfoundthat,intwoexperiment
6、s,hardnessandgreennessinapplewenttogetherwithsourness.6Gassesdifferfromsolidsinthattheformerhasgreatercompressibilitythanthelatter.7Theinstrumentischaracterizedbyitscompactness,andportability.8Thecuttingtoolsmustbestrong,tough,hardandwearresistant.9Dynamicsisdividedin
7、tostaticsandkinetics,theformertreatingofforceinequilibrium,thelatteroftherelationofforcetomotion.6第二讲科技英语的词汇特征10Theimagemustbedimensionallycorrect11Theapplicationofelectroniccomputersmakesforatremendousriseinlaborproductivity.12Inanymachineinputworkequalsoutputworkplu
8、sworkdoneagainstfriction.13Scientistsareconfidentthatallmatterisindestructible.14Openthevalvetoletairin.15Itisafactthatnostr
