Tachometry
n. [测]转速测定(法),流速测定(法)
🗣️ 情景例句
That's impossible.
不可能。
A good winter brings a good summer.
瑞雪兆丰年。
Not only are the means of arriving at the holiday paradise entirely within one's own command and keeping,
完全在自己掌握之中的私人汽车不仅是到达假日天堂的工具，