Definition: to fall down suddenly because of pressure or having no strength or support Level: B2
成千上万的建筑在地震中倒塌了。
Thousands of buildings ___collapsed in the earthquake.
那把椅子在她的体重下垮塌了。
The chair ___collapsed under her weight.
许多建筑在大火中倒塌了。
Many buildings ___collapsed in the fire.
