4. shrink vi. 起皱，收缩;退缩
Will this woolen sweater shrink when washed?
这件羊毛衫洗后会缩水吗?
We will never shrink from difficulties.
我们在困难面前决不退缩。
5. subtract v. 减(去)
Please subtract a quarter of the money for your own use.
请扣除四分之一的钱由你自己支配使用。
6. suburb n. 市郊
The factory is located in the suburb.
那家工厂坐落于郊区。
7. subway n. 地铁
I want to get there by subway.
我想乘地铁去那儿。