首页reciprocalreciprocal英英释意
                    reciprocal
英 [rɪ'sɪprək(ə)l]
美[rɪ'sɪprəkl]
	    - adj. 互惠的;相互的;倒数的,彼此相反的
 - n. [数] 倒数;互相起作用的事物
 
英英释意
- 1. something (a term or expression or concept) that has a reciprocal relation to something else;
 - "risk is the reciprocal of safety"
 
- 2. (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
 
- 3. hybridization involving a pair of crosses that reverse the sexes associated with each genotype