Piston-engines
(piston-engine 的复数) [机] 活塞发动机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
n. 火车头；发动机, 引擎（engine的复数形式）
🗣️ 情景例句
Maybe you could come to visit me in Greece?
也许你可以到希腊来看我？
They fought for the sake of their country.
他们为国而战。
She's been quite different since coming back from America.
从美国回来之后，她变化很大。