v.翻筋斗( somersault的过去式和过去分词 );
例句:
The child somersaulted across the gymnasium.
那孩子翻著跟头从体育馆这头翻到那头.
His boat hit a wave and somersaulted at speed.
他的船撞上了大浪,飞速地翻转着。
I hit him back and he somersaulted down the stairs.
我还手打了他,他顺着楼梯滚了下去。