30. Water is essential to the growth of crops.　 必要的　

There is no essential difference between them. 本质上的

29. escape from　 从…逃脱,逸出　　　 escape doing

escape one’s notice / one’s attention / one’s mind　 Your name escaped me. = I forgot your name.

a narrow escape　 九死一生　　　 an escaped prisoner　　 逃犯

28. equip sb with sth　　 A good education should equip you for future life.

27. be equal to…in... 在…方面与…相等

　( be second to…in…, be similar to…in…, be superior to…in…)　　　　

be equal to doing/sth　 能够胜任做…　　　 He is equal to doing this work.

26. entitle sb to do 给人干…的权利　　 The editorial is entitled "..." . 这篇社论题目是…

entitle the book “Love”　 给书取名为…

25. entertain sb with by/by doing　　 给…娱乐　　 entertain sb to/at dinner

24. enter for 报名参加, 竞选

23. can't...enough = can't...too　　　 egg: You can't be too careful/careful enough .

22. spoil/enhance the company's reputation毁掉/增加公司荣誉enhance my confidence增加自信

21. be engaged in (doing)　 从事于, 忙与干…(be busy in doing)　

be engaged to sb 与…订婚　　　　 The room is engaged.房间预订了。