Piston-engines
(piston-engine 的复数) [机] 活塞发动机
🧩 词语组成解析
n. 火车头;发动机, 引擎(engine的复数形式)
🗣️ 情景例句
There is a lot of unsavory material available on the internet.
网络上有很多不健康的信息。
I've always tried not to interfere in your affairs.
我总是尝试不干预你的私事。
The workmen struggled fiercely and one of them lost his temper.
两个工人奋力抗争,其中一个发了火,
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