An alarm clock could make any kind of noise you want, including playing your own CDs, or MP3 files.

闹钟应该能够发出您希望的任何声音，包括播放自己的CD、MP3文件。

youdao

An alarm clock could make any kind of noise you want, including playing your own CDs, or MP3 files.

闹钟应该能够发出您希望的任何声音，包括播放自己的CD、MP3文件。

youdao