名词
中文翻译：接触
同义词：
['interaction', 'connection']
例句：
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1. The two companies have a long-standing contact.
这两家公司拥有长期的合作关系。
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2.The teacher asked the students to raise theirhands if they had any questions.
老师要求学生举手提问。
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3. The scientist contacted the governmentabout the new discovery.
科学家与政府联系，就新发现进行了沟通。