China leads the world in the research on male contraception techniques, some of which have been listed as the ones to be promoted by the World Association of Voluntary Surgical Contraception (AVSC).是什么意思_China leads the world in the research on male contraception techniques, some of which have been listed as the ones to be promoted by the World Association of Voluntary Surgical Contraception (AVSC).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句