高二英语知识点Unit 8 First aid思维导图

1. don't have to (do sth.) (不必干某事)

2. lay, lie的用法

3. fall off (跌倒; 减少)

4. knock off (one's feet) (把...击倒)

5. deal with (对付; 处理)

6. throw up (呕吐)

7. mouth-to-mouth (嘴对嘴)

8. out of one's reach (够不着)

9. ought to (应该)

10. pay attention to (注意)

11. take it easy (别紧张)

12. by mistake (弄误会)

13. hold up (举起)