Pneodynamics
呼吸动力学
🗣️ 情景例句
Guess what I just found out.
你猜我刚知道了什么？
I was born anAmerican; I live an American; I shall die an American.
我生下来是美国人，活着是美国人，死时也是美国人。
Sometimes ago, the United States Navy, for instance,
例如，美国海军前些时候