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
There's a lot in what you say, but we have more urgent problems to deal with.
你说的相当有道理，不过我们有更紧要的事情要办。
Are you used to the food here?
你习惯吃这儿的饭菜吗？
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。