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
I don't get it.
我不明白。
There must be someone behind the door.
门后必然有人在。
All that glitters is not gold.
闪光的不全是金子。