Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
I'll call her back.
我给她回电话。
Could you explain how to fill this out?
请你说明一下怎样填这张表好吗？
Get him his change! It's easy to say, sir; but look at the bill yourself.
给他找钱！先生，说的倒轻巧，您自己来看看这张票子吧。