
n.(母牛、母山羊)乳房;乳腺
The calf fumbled for its mother's udder for milk. 小牛摸索著媽媽的乳房找奶吃。
A cow's udder hangs loosely between its legs and produces milk. 母牛的乳房垂於腿之間用來產(chǎn)奶。
Dolly was the only lamb born from 277 fusions of oocytes with udder cells. 多利是277組卵母細(xì)胞和乳腺細(xì)胞的配對中唯一克隆成活的。
n.舵;方向舵;指導(dǎo)原則
n.善于在泥地上跑的馬