Tach
abbr. 环节（tache）；转速计（tachometer）
🗣️ 情景例句
He said he'll call you.
他说了他要给你打电话。
All things are easy that are done willingly.
做事乐意，诸事容易。
Check the prices before you decide whether to buy one.
先把价格核对一下，再决定该不该买。