1. retract [ ri5trAkt ]缩回,收回(to take back or withdraw) A cat can retract its claws. 猫能缩回爪子。 to retract an offer 收回提议

1. toil [ tCil ]苦干, 跋涉, 费力地做 (to do work that requires a lot of effort) [搭配用法] toil over (task, manuscript, corrections) = work hard and continuously at sth 例 toiling over the mountains. 艰难地跋涉于山岭之间

Word List 1. ban [bAn] (banned; banning)禁止, 取缔 (书刊等) (to prohibit esp. by legal means or social pressure.) Smoking is banned in school. 在学校禁止吸烟

w•1. defraud [ di5frC:d ]欺骗(to take something from by fraud; swindle; deceit) w•be defrauded of (one's estate) w被骗去(财产)

integrate [ 5inti^reit ]使成整体(to make into a whole or make part of a whole) [搭配用法] integrate(building, river, college) with (setting, canal system, university) ＝make sth. An essential part of sth.; cause sth. To form a whole (with sth)

1. abandon [ E5bAndEn ] 1)放弃, 遗弃(to give up completely)2)n.放任, 狂热 [搭配用法](writer, artist)abandon oneself to (grief, despair)=give way to ◼ He abandoned his wife and went away with all their money

perceive [ pE5si:v ]察觉;感知(to become aware of through the senses) [助记法] per(全部)+ceive (拿住)－全部拿住－ 发觉 implore [ im5plC: ]恳求, 哀求(to ask for or beg earnestly for) [助记法]im(进入)+plore(悲哀)－进入悲哀－哀 求

addict [ E5dikt ]vt.使沉溺, 使上瘾(to devote or surrender oneself to something) [搭配用法] addict to (smoking, alcohol, television) =devoted to sth.;having (sth.) as a strong, almost unbreakable habit compromise[ 5kCmprEmaiz ] 1.v.妥协, 折衷(to settle by concession) 2. 使遭受损害，使蒙受耻 辱(to put sb. In a position of harm or difficulty)

1 .背口诀记单词 天气非常fine (好的) 松鼠爬上pine (松树) 站成一条line (直线) 把松果油refine (提炼)* 发动汽车engine (发动机) 事迹搬上magazine (杂志)

I. 词义随着时间的变迁，产生了变化，出现了 一词多义的现象。词义的变化主要有两种方式。 若干个不同的新义，从同一个原义引申出来， 叫做radiation, “反射式变化”；例如head, 从 “头部”的原义，引申为“首脑