lens flange

例句：

1. 1.The lenses of the camera are very sharp.
   相机的镜头非常锐利。
2. 2. The lens flared up due to the sudden light.
   由于突然的光线，镜头发出了闪光。
3. 3. The lens was damaged during transportation.
   运输过程中镜头受损了。