She is coming. She runs up the stairs two at a time with her light graceful step, and I know she is happy tonight, (T. Olsen)

她来了，轻盈灵捷的脚步一跨两级阶梯地跑上楼去，我明白她今晚心里喜滋滋的。

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The path of life is overgrown with brambles, but a successful person can brighten his journey up with the light of hope, and burn the brambles away with the fire of patience. So we don 't give up!

生活的道路虽然长满了荆棘，但一个成功的人能够用希望之光驱散他的旅程中的阴霾，用耐心的火焰烧毁荆棘，所以我们不要放弃！

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"The eyes light up and click. It happens -- 'I didn't know you had this.'" Jenny Johnson is the executive director of marketing for the Online Computer Library Center.

VOA: special.2011.07.11

Well, we can continue. On a light-up valentine it means "don't stop, go."

勇往直前吧“

耶鲁公开课 - 文学理论导论课程节选

Other bioluminescent proteins don't light up unless certain enzymes are present.

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No, this is a fancy backlit indicator, one that doesn't light up at all until you thumb the dedicated performance switch on the machine's right side.

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It's based on his work using functional magnetic resonance imaging brain scans that first demonstrated that, when people are asked to imagine themselves in retirement, the parts of their brains that usually "light up" when they think about themselves don't light up at all.

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