名词
中文翻译：正常交往
同义词：
['normal interaction', 'normal relationship']
例句：
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1. Theyhave a normal engagement with each other.
他们之间有正常的交往。
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2. The couple has been engagedfor several years now.
这对夫妇已经订婚好几年了。
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3. Her engagement to the groom was announcedat the wedding ceremony.
她在婚礼上宣布与新郎订婚。