名词
中文翻译：点头之交
同义词：
['nod', 'noddy', 'acquaintance例句：1. He has a nodding acquaintance with the local customs.（他对当地的风俗习惯有所了解。）']
例句：
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1. He has a nodding acquaintance with the local customs.
他对当地的风俗习惯有所了解。
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2. She's just a nodding acquaintance to me.
对我来说，她只是一个点头之交。
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3. They exchanged a few nods of agreement before leaving.
他们离开前交换了几个点头表示同意。