1. official=formal=authorized=on record官方的，正式的 adj.
2. athletic=physically strong and good at sport=fit=be in shape=be in good condition运动的 adj.
3. intensive=involving a lot of activity, effort, or careful attention in a short period of time=rapid=crash course密集的，加强的 adj.
4. burst=a short sudden effort or increase in activity=burst of anger/enthusiasm/temper etc 爆炸，突发
5. recognize=know=identify=pick out=tell认出，承认v.
6. inadequate=not enough=too little=few=scarce=insufficient=be in short supply=lack of something=be short 不足的 adj.
7. develop=come from=be based on=originate=go back to=have its origins in=have its roots in=derive from=be derived from=be founded on=grow out of=develop from=evolve from发展，生长 v.
8. enable=make something possible=allow=permit=pave the way for=clear the way for使能够 v.
9. predict=anticipate=forecast=foretell=prediction=projected=guess in advance预测 v.
10. specialist=someone who knows a lot about a particular subject, or is very skilled at it=expert专家 n.
11. theoretical=relating to the study of ideas, especially scientific ideas, rather than with practical uses of the ideas or practical experience理论的 adj.
12. basic=fundamental=essential=central=underlying=simple=crude=primitive=rudimentary=unsophisticated=low-tech基本的 adj.
13. nature=plants/animals etc=somebody s character=qualities of something=type自然n.
14. aim=purpose=point=idea=objective=object=goal=target=end目的 n.
15. translate=change languages=interpret=put something into English/French/Japanese etc翻译 v.
16. ancient=belonging to a time long ago in history, especially thousands of years ago 古老的 adj.
17. realistic=when pictures, films etc make things seem real=lifelike=realism=true to life=vivid实际的，现实的
18. field=area=branch=world=domain=realm=sphere领域 n.
19. document=a piece of paper that has official information on it;a piece of written work that is stored on a computer文件 n.
20. equal=the same in number, amount, level etc as something else平等的 adj.
21. influence=effect=side effect=impact=what something does to=the implications 影响n.
22. behavior=manner=conduct=behave=well-behaved=good=be on your best=stay out of trouble行为 n.
23. compare=to examine or judge two or more things in order to show how they are similar to or different from each other=liken=make a comparison=draw an analogy=draw a parallel=contrast 比较 v.
24. economically=in a way that is related to systems of money, trade, or business经济上地 adv.
25. establish=determine=identify=pinpoint=diagnose=to start a new business or organization.建立新的生意/组织 v.
26. sustainable=able to continue without causing damage to the environment; able to continue for a long time可持续的 adj.
27. realize=know=be/become aware=can tell=appreciate=be conscious=know perfectly well=know/learn from experience意识到 v.
28. limit=restrict=set/impose/put a limit=keep to/keep within=confine=fix 限制
29. produce=form=create=generate生产 v.
30. guarantee=promise=assure=give somebody your word=swear=vow=commit to=pledge保证 v.
31. liberty=freedom=a free hand自由 n.
32. independence=self-sufficiency=self-reliance 独立 n.
33. consistent=always behaving in the same way or having the same attitudes, standards etc - usually used to show approval持续的 adj.
34. underestimate=to think or guess that something is smaller, cheaper, easier etc than it really is=to think that someone is not as good, clever, or skilful, as they really are低估 v.
35. provision=when you provide something that someone needs now or in the future 提供 n.
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