西瓜单词

ovum是什么意思

ovum

英 ['əʊvəm] 美 ['ovəm]

ovum 卵子

来自拉丁语ovum,卵，词源同egg.

ovum (n.): (plural ova), 1706, from Latin ovum "egg," cognate with Greek oon, Old Norse egg, Old English æg, 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小时。

来自柯林斯例句

2. By day 11 the ovum begins to attach and implant in the lining of the uterus.: 到第11天卵子着床嵌入子宫内壁.

3. One pc of germ cell approaches to a ovum quietly at first.: 一个精子一马当先悄悄接近卵子.

4. Then you put that ovum into a different female's stomach.: 然后,将那个卵细胞放到一个不同的雌性腹中.