I rose before it was light yesterday.

昨天是我天亮前起床的。

youdao

We started climbing up before it was light.

天亮之前，我们便开始登山。

youdao

One day he went to the seashore before it was light.

有一天，天还没有亮，他便向海边走去。

youdao

So up to this point, before it was really established that yes, light is like a particle sometimes, there was this very strong distinction between what is light and what is matter.

所以关于这个观点，在它被真正确立之前，光有时候像粒子，在什么是光和什么是物质之间,有一个非常巨大的区别。

麻省理工公开课 - 化学原理课程节选

In a spasm of temper Yvonne swung around and opened her hand, flinging away into the river something tiny that gave out one glint of light before it was swallowed without a splash, the water healing instantly behind it.

NEWYORKER: She��s the One

He suspected, long before others proved it, that light was composed of both waves and particles.

ECONOMIST: Isaac Newton