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
We'll sign two originals, each in the Chinese and English language.
我们将要用中文和英文分别签署两份原件。
Silence is learnt by the may misfortunes of life.
沈默是通过生活中的许多不幸而学会的。
Let me see. It's about four thirty.
我看看，大约四点半了。