M-f
[医][=(male/female)ratio]男女比率，男女比例
🗣️ 情景例句
OK. Do you have lemons?
好，你有没有柠檬？
Pouring oil on the fire is no way to quench it.
加油不是灭火法。
Instead of becoming a doctor, however, he became a successful writer of detective stories.
然而，他后来没当上医生，却成了一位成功的侦探小说作家。