Digital tachometry
[计] 数字式转速测定法
🧩 词语组成解析
n. [测]转速测定(法),流速测定(法)
🗣️ 情景例句
Well, first, you have to turn your hat around like this.
首先 ，你得把你的帽子转一下 ，像这样。
She's off to Guangzhou tomorrow.
她明天出发去广州。
How old are you?
你多大啦？