Piston speed
[机] 活塞速率
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
speed
[spid]
n. 速度;快速;昌盛;（汽车的）变速器，排挡;
vt.& vi. 急行，加速;
vi. 超速;加速;迅速前行;兴隆;
vt. 加快…的速度;使成功，使繁荣;
🗣️ 情景例句
I was teaching music,
我当时教音乐，
To know one's self is true progress.
能有自知之明就是真正的进步。
Shivering in their wet clothes, the teenagers looked on while three men dived repeatedly into the water to locate the dish.
那些孩子们穿着湿衣服哆嗦，看着3个工人轮潜入水中以确定盘子的位置。