Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
He made up with his girlfriend.
他和女朋友和好了。
It was a real pleasure for me to do it.
我很乐意这样做。
The children compete against each other to reach the other end of the pool.
孩子们比赛看谁先到达游泳池的另一端。