一旦你踢松了其中一条凳腿，整张凳子就开始失去平衡，接而倒塌。

Once you weaken one leg, the stool begins to lose its balance and fall.

youdao

一旦你踢松了其中一条凳腿，整张凳子就开始失去平衡，接而倒塌。

Once you weaken one leg, the stool begins to lose its balance and fall.

youdao