mutual, common, joint, reciprocal

名詞 reciprocal:

1. something (a term or expression or concept) that has a reciprocal relation to something else
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
   同義詞：multiplicative inverse
3. hybridization involving a pair of crosses that reverse the sexes associated with each genotype
   同義詞：reciprocal cross

形容詞 reciprocal:

1. concerning each of two or more persons or things; especially given or done in return
   同義詞：mutual
2. of or relating to the multiplicative inverse of a quantity or function

1. The reciprocal of impedance.
   導(dǎo)納阻抗的對等物
2. Involving interchange; reciprocal.
   涉及交換的; 相互的
3. They have a reciprocal agreement to combat terrorism.
   他們有相互配合的協(xié)定，共同與恐怖主義作斗爭。
4. They show reciprocal affection to each other.
   他們表達(dá)了彼此之間的愛慕。

re.cip.ro.cal

adj.Abbr. recip.（形容詞）縮寫 recip.
Concerning each of two or more persons or things.
交互的，相互的：關(guān)于兩個或多個人或物中的每一個的
Interchanged, given, or owed to each other:
互換的，交換的：相互之間互換、給予或擁有的：
例句：
reciprocal agreements to abolish customs duties; a reciprocal invitation to lunch.
關(guān)于取消關(guān)稅互惠的協(xié)定；互邀共進(jìn)午餐

Performed, experienced, or felt by both sides:
相互的：均被雙方表現(xiàn)、經(jīng)歷或感覺到的：
例句：
reciprocal respect.
相互尊重

Interchangeable; complementary:
互補(bǔ)的，可互換的：可相互對換的；免費(fèi)贈送的：
例句：
reciprocal electric outlets.
可互換的電插座

Grammar Expressing mutual action or relationship. Used of some verbs and compound pronouns.
【語法】 相互代名詞的：表達(dá)相互之間的行為或關(guān)系的。用于修辭一些動詞和復(fù)合名詞
Mathematics Of or relating to the reciprocal of a quantity.
【數(shù)學(xué)】 相反的，倒數(shù)的：屬于或關(guān)于某一量的倒數(shù)的
Physiology Of or relating to a neuromuscular phenomenon in which the excitation of one group of muscles is accompanied by the inhibition of another.
【生理學(xué)】 交互神經(jīng)的：屬于或關(guān)于這樣一種神經(jīng)肌肉現(xiàn)象的，即一組肌肉的興奮總伴隨著另一組肌肉的抑制
Genetics Of or designating a pair of crosses in which the male parent in one cross is of the same genotype or phenotype as the female parent in the other cross.
【遺傳學(xué)】 倒易移位的：屬于或表明一對混血種的，其中一個混血種的父親與另一個混血種的母親具有相同的基因型或表現(xiàn)型
n.Abbr. recip.（名詞）縮寫 recip.
Something that is reciprocal to something else.
相互，互惠：與其他事物相對等、相關(guān)聯(lián)的事物
Mathematics A number related to another in such a way that when multiplied together their product is . For example, the reciprocal of 7 is !/7; the reciprocal of "/3 is #/2.
【數(shù)學(xué)】 倒數(shù)：一個與另一個數(shù)乘積為的數(shù)。例如，7的倒數(shù)是!/7；"/3的倒數(shù)是#/2

來源：
From Latin reciprocus [alternating] * see per
源自 拉丁語 reciprocus [交互的] *參見 per

【引伸】
recip.rocal.ity
recip.rocally
adv.（副詞）