名词
中文翻译：发光中心
同义词：
['发光点，发光核心例句：1. The center of the city is bustling with activity.（市中心繁忙活跃。）']
例句：
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1. The center of the city is bustling with activity.
市中心繁忙活跃。
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2. The center of the galaxy is believed to be a black hole.
银河系的中心被认为是一个黑洞。
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3. The center of the room was filled with laughter and applause.
房间里充满了笑声和掌声。