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
And this is Alexandra Pappas.
这位是Alexandra Pappas。
Action is the proper fruit of knowledge.
行动是知识的巧果。
I had nearly reached the town, when the young man suddenly said, very slowly, Do you speak English?'
“你会讲英语吗？”