Piston-engine
[机] 活塞发动机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
engine
['endʒin]
n. 发动机，引擎;工具;火车头;机车;
vt. 给…安装发动机;
🗣️ 情景例句
She had to work her way through law school.
她必须半工半读学法律。
Operator, you gave me a wrong number.
总机，你给我接错号码了。
Just whose fault is this damage?
这次的损坏究竟是谁的责任呢？