形容词
中文翻译：紧密的
同义词：
['close', 'intimate', 'tight', 'solid', 'tight-knit']
例句：
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1. The two friends are very close to each other.
这两个朋友非常亲密。
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2. The relationship between the two countries is closely tied.
两国之间的关系非常紧密。
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3. She was so close to her sister that she could hardly tell them apart.
她和姐姐非常亲密，以至于很难分辨出她们。