Transonics
跨音速空气动力学
🗣️ 情景例句
No, no. I just changed my seat.
不 不。我刚才换了一下座位。
How often did I tell you to keep quiet?
我告诉你多少次要安静?
It sped downhill at the end of the race and its driver had a lot of trouble trying to stop it.
它在接近终点时，冲下了山坡，驾驶员费了好大劲才把车停下来。