课间操 请问英语怎么说 Boom Boom Boom-Vengaboys 搜狗音乐链接：http：//www.lacartoonerie.com/user_resources/sound/59776.mp3这是曾经很火的一首DJ舞曲哦~ 请问 学校自动打铃系统需要哪些设备？。
课间操的英语怎么写 setting-up exercises during the break；或class-break setting-up exercise；
初一英语作文.要求写课间操（我们没做操都是自由活动）急 嗯，LZ说要简单，嗯。In the classroom，some girls are talking，two students are writing.A boy is asking his teacher aquestion.On the playground，there are lots of sutdents playing sports.Some boys are play.
