Piston expansion engine
[化] 活塞式膨胀机
🧩 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
They robbed me blind.
他们把我抢空了。
How many more minutes will it take for the train to arrive?
火车还要多少分钟就要到达呢？
I am looking forward to your visit next week.
我期待着你下周来访。