Lidar USES light waves.

激光雷达使用光波。

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BIG PIC: Glowing Snail Uses Light to Fight Off foes.

大图：发光的蜗牛利用光同敌人战斗。

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For improved performance, the load operation USES light appends when applicable.

为改善性能，加载操作在适用时将使用“轻追加法(light append)”。

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And then she applied what she had learned and discovered a breakthrough process that uses light to kill cancer cells.

WHITEHOUSE: President Obama��s Third Annual Back to School Speech

And then she designed a device that uses light to kill hard-to-reach cancer cells while leaving the healthy ones untouched.

WHITEHOUSE: Education, Innovation & The Economy

He invented a trap that uses light and a spruce-scented spray to draw the pests to a bowl, where they drown.

WSJ: Out of Odor: Offensive-Smelling Bugs Put U.S. Farmers on the Defensive