crumble

v.崩溃；弄碎；破灭 过去式：crumbled过去分词：crumbled现在分词：crumbling第三人称单数：crumblescrumble双解释义 crumble v.(动词) vt. & vi. (把…)弄碎,(使)碎成细屑 (cause to) break into very small pieces vi. 衰落,崩溃 weaken; decay; become ruined...