ovum

英 ['??v?m] 美['ov?m]

TEM8擴(kuò)展詞匯

復(fù)數(shù):?ova;

ovum 卵子

來(lái)自拉丁語(yǔ)ovum,卵，詞源同egg.

ovum (n.): (plural ova), 1706, from Latin ovum "egg," cognate with Greek oon, Old Norse egg, Old English ?g, all perhaps from PIE root *awi- (see egg (n.)).

1. Once the ovum is released it has a lifespan of 12 to 36 hours.: 卵子排出后可存活12至36小時(shí)。

2. By day 11 the ovum begins to attach and implant in the lining of the uterus.: 到第11天卵子著床嵌入子宮內(nèi)壁.

3. One pc of germ cell approaches to a ovum quietly at first.: 一個(gè)精子一馬當(dāng)先悄悄接近卵子.

4. Then you put that ovum into a different female's stomach.: 然后,將那個(gè)卵細(xì)胞放到一個(gè)不同的雌性腹中.

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