cud

名词 cud:

1. food of a ruminant regurgitated to be chewed again
   同义词：rechewed food
2. a wad of something chewable as tobacco
   同义词：chew, chaw, quid, plug, wad

1. I chewed the cud for a couple of days before deciding to refuse your offer.
   我反复思考了二三天后才决定拒绝你的提议。

cud

n.（名词）
Food regurgitated from the first stomach to the mouth of a ruminant and chewed again.
反刍的食物：由反刍动物的第一胃逆入口腔并再次进行咀嚼的食物
Something held in the mouth and chewed, such as a quid of tobacco.
咀嚼物，口嚼烟块：放在口中进行咀嚼的东西，如烟草块

来源：
Middle English
中古英语
from Old English cudu
源自 古英语 cudu