名词
中文翻译：Unknown
同义词：
['concentration', 'concentration of matter', 'aggregation']
例句：
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1. The cityis famous for its aglomerationof historical sites.
这个城市以其历史景点的聚集而闻名。
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2. The scientists have madesignificant progress in the aggregationof new materials.
科学家们在新材料的聚合方面取得了重大进展。
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3. The aggregation of people around the campfire createsa sense of community.
围绕篝火聚集的人们创造了一种社区感。