1、Unit 13Were trying to save the earth.1.pollution un.污染 pollute v.污染 polluted adj.污染的 2.bottom n.底部，最下部 反-top at the bottom of 在底部 at the top of 在顶部 e.g.Even the bottom of the river was full of rubbish e.g.Sharks are at the top of the food chain in the oceans ecosystem.3.fisherman cn.渔民；钓鱼的人 复数：fishe
2、rmen e.g.There were no more fish for fishermen to catch 4.used to be+adj/n.过去存在某种状态 e.g.But it used to be so clean e.g.His father is used to be a taxi driver.5.litter un.垃圾=rubbish=garbage=waste e.g.Yes,but people are throwing litter into the river v.乱扔 e.g.The floor was littered with some papers.6.
3、play a part/role in sth 参与/在方面起作用 play a part/role in doing sth 参与做某事 e.g.Everyone in this town should play a part in cleaning it up.7.be able to do sth 能够做 e.g.I used to be able to see stars in the sky 8.Instead of doing sth 代替做某事 do sth instead 做某事来替代 e.g.We should take the bus or subway instead o
4、f driving e.g.Instead,it makes me uncomfortable 9.advantage cn.优点 disadvantage cn.缺点 The advantage/disadvantage of .的优点/缺点 e.g.There are other advantages of bike riding 10.be good/bad for对有好/坏处 be good/friendly/nice/kind to 对友好 be good at 擅长于 be good with 善于应对 11.cost v/n.花费 sth cost sb+钱 The cost o
5、f 的费用 e.g.Its good for health and it doesnt cost anything pay for 付费，付出代价 pay(sb)+钱+for sth 买某物付(给某人).钱 e.g.I think its great idea that you now must pay for plastic bags in some stors 12.wood-wooden adj.木制的 wool-woolen adj.羊毛制的 13.plastic adj.塑料的 takeaway food 外卖食品 homemade food 自制食品 e.g.Also,I neve
6、r take wooden chopsticks or plastic forks when I buy takeaway food 14.remember doing sth 记得做过某事 remember to do sth 记得去做某事 forget doing sth 忘记做过某事 forget to do sth 忘记去做某事 e.g.And remember to throw rubbish in the cans and keep public places clean and beautiful for everyone 15.make a difference(to)对有影响
7、 e.g.So together,our actions can make a difference and lead to a better future!16.lead to 引起(结果)(道路)通往 lead sb to+地点 把某人带到某地 lead sb to do sth 引导某人做某事 17.cruel adj.残酷的；残忍的 harmful adj.有害的 harm v.损害 be harmful to 对有害=be bad for e.g.This is not only cruel,but also harmful to the environment 18.endange
8、red adj.濒危的 dangerous adj.危险的 danger n.危险 e.g.Sharks can never be endangered 19.the number/numbers of 的数量 a number of 大量的许多的 e.g.The numbers of some kinds of sharks have fallen by over 90 percent in the last 20 to 30 years 20.fall by 下降了(表示变化幅度)by fall to 下降到 e.g.The numbers of some kinds of sharks
9、have fallen by over 90 percent in the last 20 to 30 years 21.so far=up to now=till now 到目前为止 e.g.So far,no scientific studies have shown that.22.scientific adj.科学上的 scientific studies 科学研究 science n.科学 scientist n.科学家 23.against prep.反对;违反;逆向;撞;靠着 e.g.Two environmental groups against“finning”Its dif
10、ficult to ride a bike against the wind He stood with his back against the tree He hit his car against the wall 24.afford v.承担得起(后果)买得起 afford to do sth 承担的起做 e.g.We cant afford to wait any longer to take action take action 采取行动 take action to do sth 采取行动做某事 25.from the beginning 从一开始 at the beginnin
11、g of 在开始 from the beginning to the end 从头到尾 26.reusable adj.可重复利用的 reuse v.再利用 e.g.You can also use reusable bags instead of plastic in some stors.27.add up 把.加起来 add up to 总计为 e.g.All these small things might add up and become big things.1.recycle v.回收；利用 e.g.Recycle books and paper recycling n.回收利
12、用 2.throw away 扔掉 e.g.Do you often throw away things?3.put/make sth to good use 好好利用某物 e.g.Have you ever thought about how these things can actually be put to good use?4.probably=perhaps=maybe (句首、句中行前Be 后)可能，大概 e.g.You have probably never heard of Amy Hayes 5.build/make.out of 用建造，制造 e.g.She lives
13、in a house in the UK that she built herself out of rubbish 6.pull down 拆下，拆毁 e.g.The windows and doors come from old buildings around her town that were pulled down.7.turned sth upside down 把某物翻转 upside down 上下颠倒 e.g.The top of the house is an old boat turned upside down.8.be an inspiration to sb 鼓舞
14、着某人 e.g.Amy is an inspiration to us all Inspiration cn.鼓舞人心的人/物 un.灵感 Inspire v.鼓舞 9.work cn.作品；著作 un.工作 v.工作 e.g.The more popular works can even be seen in art shops around the city 10.bring back 恢复、使想起，归还 e.g.hard iron can be brought back to life with a little creativity creativity un.创造力 creat v.
15、创造 creative adj.有创造力的 11.比较级+and+比较级 越来越 more and more+adj.e.g.The air pollution is getting worse and worse 空气污染正变得越来越严重 e.g.She is getting more and more beautiful the+比较级，the+比较级 越越 e.g.The busier she is,the happier she feels A+be+倍数+形容词比较级+than B A+实意动词+倍数+副词比较级+than B A是B的.倍 e.g.Our room is three times bigger than that one A is the+比较级+of the two A是两者中较.的 e.g.She is the taller of the two.
