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
Do you feel like going to the cinema?
你想去看电影吗？
Finally,I asked him how old he was.
最后,我问他他多大。
The doctor looked over Mrs Brown very carefully.
医生非常仔细地给布朗夫人作了检查。