Pythagorean
a. 毕达哥拉斯的
🗣️ 情景例句
He is an orphan, so he is not sure which family name he should have.
他是个孤儿，因而不知道他自己姓什么。
How much ink did you want to get ?
你要拿多少墨水？
I'm twelve. What's your name, please?
12岁了。请问您叫什么名字？