Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
And again--thanks.
再次谢谢你。
I eat dinner at about 7 o'clock.
我在大约7点钟吃晚饭。
Everybody will be watching anxiously as the new buildings go up.
大家都将急切地注视着新建筑的建成。