tumbling

第三人称单数：

动词第三人称单数: tumbles

更多词形：

动词过去式: tumbled | 动词过去分词: tumbled | 动词现在分词: tumbling | 动词第三人称单数: tumbles |

单词例句：

The baby is learning to walk , and he is always tumbling over.

那个幼儿正在学步，他常常跌倒。

The walls came tumbling down.

墙轰然倒塌

The scaffolding came tumbling down.

脚手架突然倒塌。

The puppies were tumbling about the floor .

那些小狗在地板上到处打滚。

To toss or whirl in a drum, tumbler, or tumbling box.

翻腾打滚在筒中、干燥机中或研磨滚筒中摇动或转动

Men are still tumbling up from below,racing to their battle station.

仍有人员在急忙跑上甲板，进入战斗岗位。

The old barn we bought to convert into flat is practically tumbling down .

那个旧谷仓我们买下想改建住房的,实际上已经快塌了。

The puppies were tumbling about on the floor.

小狗在地板上打著滚。

Really she was tumbling to things wonderfully well.

她的确能很好地适应情况了。