Tachometer dynamo
[电] 转数计用发动机
🧩 词语组成解析
tachometer
[tæˈkɑ:mɪtə(r)]
n. 转速计，流速计;测速计;旋速计;速度计;
🗣️ 情景例句
There's Mother and Grandpa ...
有妈妈和祖父呢……
Reckless youth makes rueful age.
虚度青春，悔恨无已。
We're sorry, but we 've had a slight price increase here.
真抱歉，不过我们出只涨了一点点而已。