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来源:雅诚德英语网
Women's calcium requirements are increased after menopause as levels of oestrogen decline.
妇女对钙的需求会增加绝经后由于雌激素水平下降。
Women's calcium requirements are increased after menopause as levels of oestrogen decline.
妇女对钙的需求会增加绝经后由于雌激素水平下降。