Together, these differences prevent any light that may be in the deep water from reflecting off the tooth surface.

总的来说，这种与众不同的差异可以防止深水中的光线反射到牙齿表面。

Bright pearls he saw rising from the deep, quiet bubbles of air floating on the reflecting surface, the blue of the sky being depicted in it.

他看到明亮的珍珠从深沉的气泡中升起，安静的气泡漂浮在反射面上，描绘着天空的蓝色。

The upshot is that something hidden from an observer's line of sight might nevertheless be visible if it is sufficiently near a wall which can serve as a reflecting surface.

其结果是，隐藏在观察者视线之外的某物如果足够靠近可作为反射面的墙体，那它还是有可能被看见。