Tacho-
[医] 速, 快速
🧩 词语组成解析
n. 转速计, 转速器
🗣️ 情景例句
Your new exercise class?
你的新健身班
I'm too young.
我太年轻。
It is fairly clear that sleeping period must have some function,
很清楚，睡眠必然具有某种作用。