名词
中文翻译：紧密接触
同义词：
['intimate contact', 'close relationship']
例句：
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1. They had a close contact with the local authorities during their stay in the city.
他们在城市逗留期间与当地当局保持了紧密联系。
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2. The two countries have maintained close contact to discuss cooperation on climate change.
这两个国家一直在讨论合作应对气候变化的问题。
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3. She was surprised when she found out that her close contact had been spreading rumors about her.
当她发现她的密友在散布关于她的谣言时，她感到惊讶。