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
If we don't get dressed,
假如我们不去打扮的话，
When guns speak it is too late to argue.
待到炮声响，辩论已莫及。
Hello, Wei Hua! Nice to meet you.
魏华，见到你也很高兴！