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
They're so thoughtful.
他们真周到。
The sewing machine is out of order.
这缝纫机坏了。
No hurry! Please take your time!
甭着急！请慢慢看！