到上音乐课的时间了。
It's 8:30. It's time for music class.
这是8点半。正是去音乐班的时候。
It's time for music class. Let's sing and dance.
到时间上音乐课，我们唱唱跳跳。
It can not reach the respectable effect for making the music during the after-class time, what the time need is the quietness not making noise.
课间时间太短播放音乐达不到预期的效果，课间需要的是安静而不是嘈噪的声音。
It can not reach the respectable effect for making the music during the after-class time, what the time need is the quietness not making noise.
课间时间太短播放音乐达不到预期的效果，课间需要的是安静而不是嘈噪的声音。
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