v.不稳而倒下( topple的过去式和过去分词 );将…推翻,打倒;
例句:
The pile of books toppled.
那堆书倒了.
The chimney toppled over on the roof.
烟囱倒塌在屋顶上.
I lost my balance and toppled backward to the floor.
我失去了平衡,朝后栽倒在地板上.