我们还用蓝宝石保护罩更换了原先的玻璃盖，因为它相比更纤薄，更耐用，能更好的保护手机上的光学部分，并让拍摄的照片更好看。

We also moved to a Sapphire lens cover, which is thinner and more durable than the previous cover glass. This really protects the optics, and keeps your photos looking great.

youdao

事故照明灯和疏散指示标志，应设玻璃或其他非燃烧材料制作的保护罩。

Emergency light and emergency evacuation signs shall be in the form of protective box made of Glass Protective Film or other non-flammable materials.

youdao