Euler's thorem
[计] 欧拉定理
🗣️ 情景例句
Certainly, sir. The elevators are right across the lobby.
当然可以，先生。电梯就在大厅的正对面。
How have you been these years?
这些年你怎么样？
What will be the population of these countries in the year 2000?
2000年不太发达国家的人口将是多少？