单词的同义词替换

drastically : extreme and sudden adv.彻底地

carry out : subject to : 使服从

remain=stay=keep=continue to be=still v.保持

detect=inspect=examine=notice=spot=become aware / conscious=note=conserve=perceive v.检查

fault=flaw=defect=trouble=bug=virus=be something wrong with=be something matter with n.缺陷，缺点

enough=sufficient=adequate=cover=meet somebodys need adj.足够的

main=largely=principal=chief=major=key=primary=prime=predominant=core adj.主要的:

documentation=written account=evidence=proof n.证明

shift=switch=transfer=move=jerk v.转换

consistent=lasting=stay the same=constant=unchanging adj.持续的

drought=no rain at all=dry=dusty adj.干旱的

period=cycle=era=age n.年代

random=arbitrary=at random adj.随机的

molten=hot=heat=boiling / boiling hot=scalding / scalding hot adj.熔化的

intense=strong=passionate=powerful=deep adj.强烈的

discover=explore=find / unearth=turn up v.开发，发现

pattern=trade / commodity=business n.贸易

relate to=associate with=link to / connect to=identify with 联系