The sex ratio (male vs female) are 1.5, 1.5, 1.7 and 2.0 respectively, with a trend of ascend.是什么意思_The sex ratio (male vs female) are 1.5, 1.5, 1.7 and 2.0 respectively, with a trend of ascend.在线翻译_英语_读音_用法_例句