M-f
[医][=(male/female)ratio]男女比率，男女比例
🗣️ 情景例句
She is devoted to her children.
她深爱她的孩子。
Fine,thanks.
很好，谢谢。
What about vegetables, Sir? They usually go bad as soon as we are at sea.
那些蔬菜怎么办呢，先生？通常是刚一出海它们就会坏掉的。