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来源:雅诚德英语网
And the difference was clear, with fertility declining by up to seven per cent with each extra year on a man's age between 41 and 45.
区别很明显,处于41岁到45岁之间的男人,每长一岁,生育能力下降的最大幅度为7%。
And the difference was clear, with fertility declining by up to seven per cent with each extra year on a man's age between 41 and 45.
区别很明显,处于41岁到45岁之间的男人,每长一岁,生育能力下降的最大幅度为7%。