名詞 crumb:

1. a very small quantity of something
2. a person who is deemed to be despicable or contemptible
   同義詞：rotter, dirty dog, rat, skunk, stinker, stinkpot, bum, puke, lowlife, scum bag, so-and-so, git
3. small piece of e.g. bread or cake

動詞 crumb:

1. coat with bread crumbs
2. break into crumbs
3. remove crumbs from

1. A solid cake that won't crumb.
   不會碎裂的堅硬蛋糕
2. She swept up the crumbs.
   她打掃了碎屑。
3. She crumb the bread before feeding it to the birds.
   她把面包弄碎，然后喂給鳥吃。

crumb

n.（名詞）
A very small piece broken from a baked item, such as a cookie, cake, or bread.
碎屑：一種從烘烤食物，如餅干、蛋糕或面包上破裂下來的小片
A small fragment, scrap, or portion:
小碎塊，裂片，小部分：
例句：
eraser crumbs; not a crumb of kindness for you.
橡皮碎屑；對你沒有絲毫仁慈

The soft inner portion of bread.
面包心：面包內(nèi)部的柔軟部分
Slang A contemptible, untrustworthy, or loathsome person.
【俚語】 可鄙者，不可信賴者，令人討厭者
v.（動詞）
crumbed,crumb.ing,crumbs
v.tr.（及物動詞）
To break into very small pieces; crumble.
搗碎：把…弄碎成小片；搗碎
To cover or prepare with very small pieces of bread.
裹面包屑：在…上裹上面包屑
To brush (a table or cloth) clear of small scraps or fragments of food.
抹去碎屑：抹去（桌上或布上）的食物碎屑
v.intr.（不及物動詞）
To break apart in very small pieces:
碎裂：碎裂成為小片：
例句：
a solid cake that won`t crumb.
不會碎裂的堅硬蛋糕

來源：
Middle English crome
中古英語 crome
from Old English cruma
源自 古英語 cruma