Unit 4 Save The Trees知识点整理
unit 4 save the trees知识点整理
1. save vt. 拯救；解救
eg. let’s do something to save the animals in danger.
the police saved the child from the fire.
【拓展】save “节省、储蓄” eg. save money save time
【变形】safe adj. safety n.
2.discuss vt “讨论” 后接名词（短语）或wh-从句及wh-短语 discussion n.
eg. we discussed the problem.
we will discuss who should do it.
we will discuss what to teach next term.
3. leaf n. “树叶” 复数：leaves
4. fight for... “为……而战” fight过去式：fought
fight against “与……作斗争”
eg. he is fighting against his sickness. they fight for freedom.
5. provide sb. with sth. = provide sth. for sb. 提供给某人……， 为某人提供……
supply sb. with sth.=supply sth to sb.
offer sb. sth. =offer sth. to sb.
eg. sheep provide us with wool. = sheep provide wool for us.
6.in many ways “在许多方面”
【短语】 by the way 顺便说一下 in a way 在某种程度上
in the way of sb. 妨碍某人 on the way to...在去……的途中 in this way 用这种方法
7. keep “使维持（某种状态）”
keep+名词+形容词 eg. the noise kept him awake.
keep+名词+副词/介词短语 eg. don’t keep the boy outside/ in the room.
keep +名词+doing eg. she kept me waiting for half an hour.
keep in touch with与---保持联系； keep back忍住（眼泪）；扣下，隐瞒
keep sth in mind=remember
9.take in... “接受……， 吸收……”
eg. the kind man would like to take in the poor boy.
fish take in oxygen through their gills. 鱼用腮吸氧气
10. breathe[i:] v. breath[e] n.
