1. previously=before=earlier=formerly先前 adv.
2. concentrate=pay attention=put one's mind on=attentive专注 v.
3. resemble=look like=alike=much the same=akin to相像 v.
4. carry out=implement=put sth. into practice=execute实行 v.
5. more than=exceed=over=in excess of超过 v.
6. decrease=crash=reduction=fall=drop下降 n.
7. stop=halt=come to a halt停止 v.
8. sufficient=abundant=enough=adequate充足的 adj.
9. establish=found=build=set up建立 v.
10. be Successful=prosper=do well=succeed=thrive成功
11. recognize=certify=accept=acknowledge承认 v.
12. label=display=call=brand=hail贴标签，命名 v.
13. adapt=adjust=get used to=become/grow accustomed to适应 v.
14. mistake=error=fault=slip=mix-up错误 n.
15. keep a check on=monitor=watch=keep an eye on监视 v.
16. unexpected=unpredictable=unforeseeable不可预见的 adj.
17. generally=in general=in the whole=all in all=all things considered大体上的 adv.
18. concentrate=pay attention=put one's mind on=attentive专注 v.
19. apply=use=make use of=exercise=utilize应用 v.
20. due to=because=since=owing to=thanks to=as a result of因为
21. raise=lift=lift up=pick up=scoop up使…上升 v.
22. in addition=besides=additionally=too=also=as well除此之外
23. inhabitant=resident=population=citizen=local居民 n.
24. collapse=failure=fall崩塌，失败 n.
25. set up=establish=found=start=open建立
26. ensure=make sure=make certain=see to it that保证 v.
27. assist=help=aid=give a hand=do sth. For协助 v.
28. deny=refuse=withhold否认 v.
29. permit=allow=let=agree to=authorize许可 v.
30. interfere=intrude=disrupt=meddle干扰 v.
31. repeat=redo=retake=do sth. again重复 v.
32. prevent=stop=restrain=hold back=discourage阻止 v.
33. disrupt=disturb=upset=break up打扰 v.
34. long-term=chronic=long=lengthy=long-running长期的 adj.
35. expose=show=reveal=present=let sb. see暴露，揭发 v.
36. intense=strong=passionate=powerful=fervent强烈的 adj.
37. random=arbitrary=at random任意的，随机的 adj.
38. require=demand=need=call for要求 v.
39. fatigue=tiredness=exhaustion=drowsiness疲劳 n.
40. manifest=show=reveal=present显示 v.
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