1. refer to 提及， 参考 ，
2. cost 物cost 人 +钱 The book cost me $5
pay for 人pay 钱for 物 I paid $5 for the book.
spend 人 spend 钱 on 物 I spent $5 on the book.
人spend time doing I spend 2 hours doing my homework.
take It takes sb some time to do It takes me 2 hours to do my homework
3. at the speed of 以……速度
4. attend 正式 参加 ， 出席
take part in 参加 （ 活动）
join 加入俱乐部 或组织
5. take the train to 乘火车去
6. reach 到达 + 地点 arrive at / in
7. 过去分词 作定语表示被动或完成
8. in the south of 在……的南部
on the south of
to the south of
9. on the third floor 在三楼
10. fifty miles away from 离……50英里远 far 不能用于具体数值的后面
11. be made of 由……制成 能看出原料
be made from 看不出原料
be made into 制成 Wood can be made into desks and chairs
be made up of 由……组成
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