1
the reciprocal of [number]
用于数学语境，表示一个数的乘法逆元。
The reciprocal of 2/3 is 3/2.
2/3 的倒数是 3/2。
倒数；乘法逆元
先理解核心含义，再看它在真实句子里的用法。
倒数；乘法逆元
A number related to another in such a way that their product is 1; for a fraction, the result of swapping its numerator and denominator.
The reciprocal of 2/3 is 3/2.
2/3 的倒数是 3/2。
用1除以另一个给定数所得的数；分数分子分母互换的结果。
The number obtained by dividing 1 by another given number; the result of exchanging the numerator and the denominator of a fraction.
与其他事物具有互惠关系的事物(术语、表达或概念)
something (a term or expression or concept) that has a reciprocal relation to something else
表示相互动作的结构。
A construction expressing mutual action.
(数学)一对乘积为1的数字中的一个:2/3的倒数是3/2；7的乘法逆元是1/7
(mathematics) one of a pair of numbers whose product is 1: the reciprocal of 2/3 is 3/2; the multiplicative inverse of 7 is 1/7
In mathematics, the reciprocal of 3 is 1/3.
在数学中，3的倒数是1/3。
AI contextual example
Their friendship is built on a reciprocal of trust and support.
他们的友谊建立在信任和支持的互惠关系上。
AI contextual example
The new agreement provides a reciprocal of benefits for both companies.
新协议为两家公司提供了互惠的利益。
AI contextual example
risk is the reciprocal of safety
风险是安全的倒数。
WordNet
用于数学语境，表示一个数的乘法逆元。
The reciprocal of 2/3 is 3/2.
2/3 的倒数是 3/2。
表示两个事物之间存在相互或互惠关系。
Trust is a reciprocal of respect.
信任是尊重的互惠结果。
遗传学实验中的一种杂交方式，交换父母性别。
The reciprocal cross involved reversing the sexes of the parents.
正反交涉及互换亲本的性别。
Not this
The numbers 2 and 3 are reciprocal.
Use this
The numbers 2 and 3 are reciprocals.
作为名词，“reciprocal”是可数名词，表示“倒数”时，两个数互为倒数应使用复数形式“reciprocals”，而非形容词形式“reciprocal”。
Not this
What is the reciprocal to 7?
Use this
What is the reciprocal of 7?
名词“reciprocal”后应接介词“of”表示“……的倒数”，而不是“to”。错误用法可能源自与“equal to”的类比。
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Includes Synonyms & Antonyms
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一个数的倒数
The reciprocal of 0.5 is 2.
0.5的倒数是2。
一个分数的倒数
To divide by 2/3, multiply by its reciprocal, 3/2.
要除以2/3，乘以其倒数3/2。
求倒数
Find the reciprocal of 7.
求7的倒数。
反交（涉及性别反转的杂交）
The reciprocal cross showed different inheritance patterns.
反交显示出不同的遗传模式。
互惠关系
Their business is built on a reciprocal relationship.
他们的业务建立在互惠关系上。
某物的对应物或倒数
The reciprocal of trust is suspicion.
信任的对应物是怀疑。
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想象两人互相交换礼物：你送我一个，我回送你一个——这就是reciprocal（互惠关系）。数学上，2/3的倒数是3/2，互相颠倒且乘积为1，也是reciprocal。
语域：mixed 常见场景：数学、生物学、一般互惠关系 该词在不同专业领域（数学、生物学）和一般互惠关系中使用，语域通常偏正式或中性，因此标记为混合语域。
复数形式reciprocals；可指数对中的一个或互惠关系的事物。
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.