It will hang and not wake up until the battery is removed.

这将挂起，而不是取出电池。

youdao

The battery back-up makes sure you still wake up on time when your power goes out.

该电池备份可确保您仍然准时醒来时你的力量熄灭了。

youdao

What makes this different is that you can choose to time the duration of the player so that you won't wake up with a phone with a dead battery.

是什么让这个不同的是，你可以选择播放器的时间期限，这样你就无法唤醒手机与电池没电。

youdao