P88. prevent-P89. previous

P88. prevent-P89. previous

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prevent

构词:pre (提前)+vent(= went 到来)

事情到来前 v. 预防,防止

相关:venture,advent,convention,event,invent,intervention

搭配prevent an accident / pregnancy / pollution / cancer ;

            prevent someone from doing

近义:preclude,stop,avoid,avert,hamper,hinder,block,frustrate,obstruct,inhibit,impede,restrain

考点:否定关系


previous

构词:pre (在前面)+vi(=way,走)+ous(adj.)

走在前面的 adj. 先前的

相关:away,via,voyage,convey,deviate,trivial,obvious

搭配previous day / work / boss / owner/ chapter / marriage / experience / engagement / conviction

近义:once,before,earlier,past,former,prior,preceding

考点:时态问题




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