Coltan
钶钽铁矿
🗣️ 情景例句
I want to be with Max as a full-time mother,
我又想和Max在一起， 做个全职的母亲
A man cannot serve two masters.
一仆不能事二主。
Just then, a man hurried to the ticket office.
正在这时，一个男子匆匆奔向售票处。