| 单词 | yolk |
| 释义 | yolk[jəuk]n. 蛋黄, 卵黄【医】 卵黄, 羊毛脂 yolk yolk AHD: [y½k] D.J. [j*&k]K.K. [jok]n.（名词）1. The yellow, usually spherical portion of an egg of a bird or reptile, surrounded by the albumen and serving as nutriment for the developing young.蛋黄：鸟类或爬行动物蛋内的黄色的、通常是球形的部分，回周包有蛋白，作为哺育幼鸟（仔）的营养物2. A corresponding portion of the egg of other animals, consisting of protein and fat which serve as the primary source of nourishment for the early embryo and protoplasmic substances from which the embryo develops.卵黄：其它动物蛋内的相应部分，由蛋白质和脂肪组成，用作早期胚胎的主要营养来源和胚胎由此发育的原生物质3. A greasy substance found in unprocessed sheep's wool.羊毛油脂：未加工羊毛中的油腻物质语源:1. Middle English yolke 中古英语 yolke 2. from Old English geolca 源自 古英语 geolca 3. from geolu [yellow] * see yellow 源自 geolu [黄色的] *参见 yellow继承用法:yolk“y adj.（形容词） |
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