名词
中文翻译：相互的
同义词：
['mutual', 'reciprocal例句：1. The two companies are in a reciprocal relationship.（这两家公司是相互关系。）']
例句：
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1. The two companies are in a reciprocal relationship.
这两家公司是相互关系。
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2. The reciprocal of 3 is 9.
3的倒数是9。
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3.The reciprocal of a number is the number divided by itself.
一个数的倒数是它自身除以该数。