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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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                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... 
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                n.卵子,卵细胞...