点击下方单词,选择对的这个单词
点击下面链接下载与本句相关的学习资源，包括PDF教材和音频练习，方便课后复习：
ph.
1. sleep in
1.
2.
4.
1. sleep later than usual or customary
e.g. On Sundays, I sleep in
Synonym: sleep late
2. live in the house where one works
e.g. our babysitter lives in, as it is too far to commute for her
Synonym: live in
多通过句子记忆单词，而不是单独死记硬背。
