Gasdynamic
laser气动激光器,气体动力激光器
🗣️ 情景例句
Well, you have your own tuxedo.
噢， 你有自己的燕尾服。
Please sign a copy of our Sales Contract No.156 enclosed here in duplicate and return to us for our file.
请会签第156号销售合同一式两份中的一份，将它寄回我方存档。
With the invention of writing, a great advance was made, for knowledge could then be not only communicated but also stored.
随着书写的发明，又迈进了一大步，因为这样一来，知识不仅能交流，而且能储存了。