Hodograph transformation
[计] 速端曲线变换
🧩 词语组成解析
[电] 速度图
🗣️ 情景例句
why you have so many problems with math.
为什么你在数学方面有那么多问题。
A close mouth catches no flies.
病从口入，祸从口出。
Oh, dear! What's wrong?
噢，天哪！怎么啦？