Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
Since English is not your native tongue.
因为英语不是你的母语。
Excuse me? I didn't hear what you said.
对不起，我没有听清你说的话。
It now came straight towards them at tremendous speed.
它现在正以惊人的速度直冲他们驶来。