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
I can't believe I'm hearing this!
我不能相信我在听这些！
His wife died a year ago. Now he lives alone.
他妻子去年去世了。现在他一个人住。
I waited by the kitchen door.
我在厨房门旁等着。