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ovum的音标：ovum的英式发音音标为：['əʊvəm]ovum的美式发音音标为：['oʊvəm]...
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ovum的复数形式为：ova...
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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。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.One way is taking the cell from a fertilized ovum....
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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。an immature ovum未成熟的卵细胞One way is taking the cell from a fertilized ovum.一种方法是从受精卵中取出细胞.By day 11 the ovum begins to attach and implant in the...