Guangxi MCH hospital maternity Director Christopher told reporters that the key men in the male female, because men are XY two chromosome sperm, and a woman only X chromosome.是什么意思_Guangxi MCH hospital maternity Director Christopher told reporters that the key men in the male female, because men are XY two chromosome sperm, and a woman only X chromosome.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句