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
how you see the building being used.
你们计划如何使用这栋建筑。
Don't let his criticisms bother you.
别因为他批评你而感到烦恼。
These movements are controlled by the trainer with the metal-pointed stick,
训练员要用有锋利金属尖的长棒控制它的这种举动，