Euler's thorem
[计] 欧拉定理
🗣️ 情景例句
The movie was a smash.
这个电影很过瘾。
For those of you that didn't hear it, the question was how soon we could expect the product to be on sale.
你们并未听说过，问题是产品多快能上市。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡，就有人很响地敲门。