Tachometers
(tachometer 的复数) n. 转速计, 流速计\\n[医] 血流速度计
🗣️ 情景例句
I worked to put together a book of photographs.
我的工作是创作出一本摄影书。
I used to set my alarm clock for exactly 7 a.m.
我过去常将闹钟调为上午7点整。
Two weeks ago it had a baby.
两周前它生了个孩子。