crumble
英 ['krʌmb(ə)l]
美['krʌmbl]
	    - vi. 崩溃;破碎,粉碎
 - vt. 崩溃;弄碎,粉碎
 - n. 面包屑
 
英英释意
- 1. fall apart;
 - "the building crimbled after the explosion"
 - "Negociations broke down"
 
- 2. break or fall apart into fragments;
 - "The cookies crumbled"
 - "The Sphinx is crumbling"
 
- 3. fall into decay or ruin;
 - "The unoccupied house started to decay"