The students entered the classroom , jumping and singing .

学生们又唱又跳地进了教室。

Jumping from that altitude is extremely challenging of course .

从这样的高度跳下来是一件非常有挑战性的事情。

Well , tell that to the guy jumping to his death .

好吧，把这些告诉正在跳向死亡的那位工人吧。

The tradition of jumping from the new river gorge bridge dates back to 1980 .

这项从新河峡大桥上背死跳的传统始于1980年。

Merah died jumping from the window of his apartment after a shootout with police .

梅拉赫在与警察开火后从其公寓楼的窗户跳下。