Rumen
[ru:men]
解释:
(noun.) the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing.
手打:西摩--From WordNet
解释:
(n.) The first stomach of ruminants; the paunch; the fardingbag. See Illust. below.
(n.) The cud of a ruminant.
手打:默文
解释:
n. the paunch and first stomach of a ruminant:—pl. Ru′mina.
整理:米歇尔