v.弄碎, 粉碎, 崩潰 ; n.麵包屑
crumble v.弄碎 ( 把…弄成小塊 ) ；崩毀＝disintegrate＝collapse【類】friable:crumble＝malleable:alter 易碎的容易破碎＝可改變的容易改變【反】friable ( adj.易碎的；脆的 ) →not easily crumbled ( 不易破碎的 )
crumble crush+umble
