main roof caving main roof colla e main roof collapse
Related Translations:
垮: 动词1.(倒塌; 坍下来) collapse; fall; tumble [break] down 短语和例子打垮敌人 put the enemy to rout; 洪水冲垮了堤坝。 the flood waters burst the dyke. 屋顶垮了。 the roof fell in. 这堵墙要垮了。 the wall is going to collapse.2