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精子获能:人类和大多数哺乳动物的精子必须在雌性生殖道内停留一段时间,才能获得使卵子受精的能力,称为精于获能。
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- 2.The ________ of a sperm contains the enzymes essential for fertilization.
- 3.Specifically, where are sperm cells formed within the testes?
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