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来源:雅诚德英语网
A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized.
雌性储存精子,可以通过受精或不受精来决定每一个卵细胞的性别。
A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized.
雌性储存精子,可以通过受精或不受精来决定每一个卵细胞的性别。