light up
definitions
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to illuminate or make something brightzh: 照亮;点亮
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to become cheerful or excitedzh: 变得高兴;兴高采烈
examples
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The streetlights light up the park at night.
路灯在夜晚照亮了公园。
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The crowd light up when the band started playing.
乐队开始演奏时,人群变得兴高采烈。