重点讲解:
1. be good at 擅长的;精通的;能干的;
例句:He was very good at his work.
他工作非常出色 。
2. get up 起床;
例句:They have to get up early in the morning.
他们大清早就得起床 。
3. sleep in 睡懒觉;睡过头;
例句:I slept in and missed an important meeting.
我睡过了头,没有参加一个重要的会 。
adj. 全部的,全体的,一切在内的
adv.