Crystallofluorescence
晶体荧光
🗣️ 情景例句
We started by making safety equipment for many sports.
我们是以做运动产品的安全器材起家的。
He will speak about the sales projections for the coming year.
他将谈谈未来一年的销售计划。
Have you just made a new film, Miss Marsh?
您刚拍完一部新电影吗，马什小姐？