形容词
中文翻译：相互的
同义词：
['mutual', 'reciprocal']
例句：
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1. The two companies are reciprocal in their strategies.
两家公司在战略上是相互的。
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2. They have a reciprocal relationship with each other.
他们彼此之间有互惠的关系。
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3. The reciprocal of a number is the product of its reciprocal and itself.
一个数的倒数是它的倒数和本身的乘积。