例句：
A sensor channels the light signal along an optical fibre.
传感器沿光导纤维输送光信号。
The photochemical reactions transform the light into electrical impulses.
光化学反应使光变为电脉冲。
She had come to see the problem in a new light.
她开始用新的角度来看待这个问题。
Bring it into the light so I can see it.
把它拿到亮的地方，好让我看见。
Could you move ─ you're in my light.
挪动一下好吗？你挡住我的光线了。