Pneodynamics
呼吸动力学
🗣️ 情景例句
I have something for you. I made it myself.
我有件东西给你们， 是我亲手做的。
Can you help me out? I'm trying to find a post office.
你能帮我个忙吗？我想找个邮局。
We invited them to our party but they decided not to come.
我们请了他们参加聚会，但他们决定不来。