Larithmics
[医] 人口学(人口数量的研究)
🗣️ 情景例句
Oh, don't do that, George!
噢，乔治，不要这么做。
One father is more than a hundred schoolmasters.
一个父亲胜于一百个教师。
You haven't finished your lunch!
你没吃完午饭！