名词
中文翻译：空心点
同义词：
['void', 'hollow point例句：1. The hole inthe wall was filled with a hollow dot of light.（墙上的洞里充满了一个空洞的光点。）2. The detective noticed ahollow dot on the map that ledto an abandoned building.（侦探注意到地图上的一个空洞指向一座废弃的建筑。）']
例句：
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1. The hole inthe wall was filled with a hollow dot of light.
墙上的洞里充满了一个空洞的光点。
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2. The detective noticed ahollow dot on the map that ledto an abandoned building.
侦探注意到地图上的一个空洞指向一座废弃的建筑。
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3. The hollowdot in the center of the circlerepresents the center of gravity.
圆圈中心的空洞代表质心。