形容词
中文翻译：紧密的
同义词：
['intimate', 'close', 'intimately']
例句：
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1. They worked closely together to solve the problem.
他们密切合作解决了这个问题。
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2. The two friends are very close, as they grew up together.
这两个朋友关系非常亲密，因为他们是一起长大的。
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3. The teamwork between the players was so close that it felt like a family.
球员们之间的团队合作非常紧密，感觉就像一家人一样。