M-f
[医][=(male/female)ratio]男女比率，男女比例
🗣️ 情景例句
No, I won't agree! don't waste your breath.
不。 我不会同意的。 别跟我这儿费口舌。
Here's a prescription for a painkiller.
这是止痛的处方。
They will be coming by train and most of the young people in the town will be meeting them at the station.
他们将乘火车来，镇上的大部分青年人将到车站迎接他们。