牛津译林版八年级英语下册知识点详解汇总
unit5知识点
1. pick v. 采摘pick flowers in the park
①pick out 1. 挑选出;拣出Let me pick out some good ones for you.
2. 辨认出It's easy to p ick him out in a crowd because he is very tall.
②pick up 1. 拾起The boy picked up the hat for the old man.
2. 收拾You should pick up the tools after work.
3. 学到;获得He was picking up the skills quickly.
4. 与...偶然结识
We picked up a couple of girls at the pub last Friday.
5. 搭便车
③pick off 摘掉;取走You should not pick off any of the flowers.
④pick at 1. 吃得很少The boy is only picking at his food.
2. 找...的岔;挑毛病Why are you always p icking at me?
2. till conj.到…时，直到…为止= until（位于句首，只能用until）
prep.到…时
肯定句：动作持续到…
否定句(not…until/till)：直到…才
eg. She watched TV until/till her mother came back. 她一直在看电视，直到她母亲回来。
（看电视的动作延续到母亲回来才结束。）
She did n't watch TV until/till her mother came back. 直到她母亲回来她才（开始）看电视。
（看电视的动作直到她母亲回来才发生。）
Until I finished my homework, Mother didn't let me out.
3. express v. 表达expression n. 表达
①beyond expression 无法形容
②express oneself 表明态度
express himself clearly.
eg. He didn’t
