Piston engine
[机] 活塞动力机
🧩 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 tell him we'll see him in a couple of months.
告诉他过几个月我们再去找他。
Mr. Jones can read French pretty well.
琼斯先生读法语相当好。
Good morning. Can I help you?
早上好！我能帮您什么忙吗？