school bell
上课铃声响了 The school bell rang ; When the bell rang ; Class rings
作业和上课铃声 My HomeworkNOW & School Alerts
上课铃声响 Class The Bell Rang
她一听到上课铃声就跑进了教室。
As soon as she heard the bell, she ran into the classroom.
youdao
如果你是一个老师，每次上课铃声响时，放松呼吸吧。
If you're a Teacher, take a breath each time the school bell rings.
当上课铃声敲响之后，我们在操场上集合。
When the bell rang, we gathered on the playground.
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