Pneumatics
n. 气体力学\\n[医] 气体力学
🗣️ 情景例句
What is it?
怎么回事
I'm Donald. We met the last time you visited Taiwan.
我是唐纳德，上次你来台湾时我们见过面。
After that day they were separated, never to see each other again.
那日一别，他们再没重逢。