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
A good medicine tastes bitter.
良药苦口。
I just dropped in to say goodbye.
我只是来告别的。
His vanity was hurt by their talking so frankly.
他们坦率的谈话伤害了他的虚荣心。