Unit 4 Our World 1.think about=think of 认为,考虑,思考2.As we know=It is well known that 正如我们所知3.It is important for sb to do sth 做什么事对某人来说很重要4.Cover with 用覆盖5.Play an important part (in sth)( 在什么事上 )起作用重要作用6.Control oneself 控制自己7.Protect sth/sb from sth 保护某人免于8.Live in the city ----live on the land 9.Keep the water cycling 保持水循环10.Over= more than 超过,多于11.Feed on以为食12.Feed sth to sb/sth 把喂给某人或某物13.In number 总计,在数量上14.Kill for 为了杀死15.Southwest China中国西南地区16.In the southwest 在西南面17.In danger 处于危险状态18.Out of danger 脱离危险19.Give us joy给我们喜悦20.Make from 由制造( 不能看出原材料)21.Make of 由制造(能看出原材料)22.make up=set up=form 组建,构成23.fill with 用装满24.be proud of 以为荣25.the answer to the question 问题的答案26.lose one′s life/lives(失去某人的生命) =die 死亡27.ask sb for help 向某人请求帮助28.run out of 跑出外29.a level 7.1 earthquake 一场 7.1 级地震30.what else(其他的什么)/something else (其他的一些事)31.what′ s the matter with you?= what′s wrong with you? 你怎么了?32.catch up with sb.=keep up with sb 33.Take(动)a lift=by (介) lift 乘电梯34.In the middle of 在中间35.Strike(侵袭) = happen(发生)in +地点36.Remember to do sth 记得要做某事(没做)37.Remember doing sth 记得做过某事(已做)38.Fall on 落在的身上39.Fall off/from 从摔下40.Try to do sth 尝试做某事41.Move to clear areas 移动到空旷的地区42.Be care of fallen power lines 小心落下的电源线43.Be over 结束44.Feel afraid 感觉害怕45.Stay/keep calm 保持冷静46.With the help of= With one ′ s help 在某人的帮助下47.All+冠词 / 名词所有格 +名词复数 /名词单数全部整个48.冠词 /名词所有格 +whole+名词单数49.Make +人/ 物+形50.Do some shopping(购物) =go shopping 去购物)51.Much /a little/ even+ 形容词比较级更或...