crumble/ˈkrʌm.bəl/动词（使）粉碎；（使）成碎屑Support for the government is crumbling.对政府的支持日渐减少。/ˈkrʌm.bəl/名词酥皮水果甜点心apple crumble酥皮苹果甜点想跟读，去练习
