Curvemeter
曲率计
🗣️ 情景例句
Most people I meet have some English ability, but the ones who work hard at it really stand out from the crowd.
我遇到的多数人都会点英语，但只有那些刻苦学习的人才鹤立鸡群，给我深刻印象。
Calm down!
冷静点！
OK! What time shall we leave?
好的！我们什么时候出发？