record replay head

例句：

1. 1. The teacher asked us to record our homework in the classroom.
   老师让我们在教室里记录我们的作业。
2. 2. She recorded her favorite songs on her phone.
   她用手机录下了她最喜欢的歌曲。
3. 3. He recorded a video of the concert for his friends.
   他为朋友们录制了音乐会的视频。