形容词
中文翻译：紧密的
同义词：
['dense', 'compact', 'tight']
例句：
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1. The soil is very close-grained, making it difficult to plant crops.
土壤非常紧密，种植作物很困难。
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2. The data is close-grained, requiring careful analysis.
数据非常密集，需要仔细分析。
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3. The architecture is close-grained, with each floor containing many rooms.
建筑结构紧凑，每层都有很多房间。