手机扬声器的面盖不仅起保护扬声器的作用，而且会对电声性能产生影响。
The mobile phone speaker cover can not only protect the speaker, but also have an influence on the electroacoustic characteristics.
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.
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.
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