Yolk

[jəʊk] or [jok]

解释:

(noun.) nutritive material of an ovum stored for the nutrition of an embryo (especially the yellow mass of a bird or reptile egg).

安琪莉可录入--From WordNet

解释:

(n.) The yellow part of an egg; the vitellus.

(n.) An oily secretion which naturally covers the wool of sheep.

艾拉编辑

解释:

n. the yellow part of an egg: the vitellus of a seed: wool-oil.—adjs. Yolked having a yolk; Yolk′y like yolk.

编辑:莉莉