ovum
noun [ C ] biology specialized uk/ˈəʊ.vəm/ us/ˈoʊ.vəm/ ova
卵,卵子;卵细胞
an egg cell produced by a woman or female animal
If two ova are fertilized at the same time, the mother will have twins. 如果两个卵子同时受精,母亲就会生出双胞胎。
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