M-f
[医][=(male/female)ratio]男女比率，男女比例
🗣️ 情景例句
When god closes a door, he opens a window.
山不转水转。
This country is localed in the northern hemisphere.
这个国家位于北半球。
Gandhi believed that one should be able to love the most ordinary being on earth as oneself.
甘地认为一个人应能像爱他自己一样去爱世界上最普通的人。