tumble

释义

n. 跌倒,翻斤斗
v. 翻倒,滚动

例句

1. The little girl stared at the little cats tumbling over each other in their basket.
   小女孩凝视着在篮子里互相翻来滚去的小猫。
2. She tumbled down the stairs.
   她滚下了楼梯。