重点讲解:
1. ring up 给…打电话;
例句:You can ring us up anytime.
你随时都可以给我们打电话 。
2. wake up 醒;醒来;
例句:They found that, on average, people wake up in a good mood, which falls away over the course of the day.
他们发现,通常情况下,人们起床时都有好心情,但随着一天的行进,好心情逐渐殆尽 。
3. clean up 打扫;清扫;把…弄干净;
例句:The children help clean up the kitchen.
孩子们帮忙打扫厨房 。
4. pick up 拿起;提起;拾起;捡起;
例句:They depend on the goodwill of visitors to pick up rubbish.
他们相信游客会自觉捡起垃圾 。
n. 集体宿舍