He sprang into the air, and waved his hat in his triumph.

他跳到空中，挥舞着他的帽子以示胜利。

The animal sprang into the air, tottered for a moment upon the edge of the precipice, and then came crashing down into the valley beneath.

这个野兽跳了起来，在岩石边挣扎了几下，就滚落到谷底去了。

Then he would breathe deeply. And when his audience grew bored, he would spring into the air and do a back flip with a half twist.

然后他再做一个深呼吸。当他的观众看腻了这些，他就会跳起来做一个后空翻。

These big pterosaurs like Quetzalcoatlus were probably eating baby dinosaurs right and left, and then when they want to, boom, they push down, they spring into the air, and they flap away.

这种大型翼龙很可能逮住小恐龙大快朵颐，然后只要它们想走，就随时一跃冲上天空，纵身飞走。