Euler's thorem
[计] 欧拉定理
🗣️ 情景例句
How do I find the bus stop?
我怎样才能找到车站？
No way is impossible to courage.
勇敢面前没有通不过的路。
A moment later, the Class 4 runner fell and hurt his leg, but he quickly got up and went on running.
过了一会儿，4班的运动员摔倒了，伤了腿，但是他很快爬起来，继续往前跑。