例句與造句

1. Q - switch ruby laser q
   開關紅寶石激光器
2. Discourse upon the naissance process of maiman s first ruby laser and the apocalypse to us in maimans success
   第四部分是對激光物理創立和發展過程的總結和簡評。
3. It's difficult to find ruby laser in a sentence. 用ruby laser造句挺難的