Euler's thorem
[计] 欧拉定理
🗣️ 情景例句
What's your plan for the May Day holiday?
你计划好怎样过五一假期没有？
I did three loads of wash today.
我今天洗了三次衣服。
Were you in San Francisco at the time of the big earthquake in 1989?
1989年旧金山大地震时，你在那儿吗？