Larithmics
[医] 人口学(人口数量的研究)
🗣️ 情景例句
I'm sick of his long, empty speeches.
他那冗长而又没有内容的演讲令我厌倦。
When will the contract be ready?
合同何时准备好？
One of the boys is English. His name is Jim.
有一个男孩是英国人，他的名字叫吉姆。