Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
The world's greatest grandmother, Mrs. Ellen Stewart,
世界上最伟大的祖母， Ellen Stewart太太，
But it looks like that's out of the question.
但现在看起来不太可能。
What are these?
这些是什么啊？