reciprocal

相互的、彼此的

Their friendship is built on reciprocal trust and honesty.

他們的友誼建立在相互的信任與誠實上。

互惠的、回報的

The two countries signed a reciprocal trade agreement last month.

兩國上個月簽署了互惠貿易協定。

倒數的數學

The reciprocal value of four is one quarter.

四的倒數值是四分之一。

倒數數學

To divide by a fraction, multiply by its reciprocal.

要除以一個分數，就乘以它的倒數。

對應物、相應之物正式

Kindness often finds its reciprocal in the people around us.

善意往往會在周遭的人身上找到相應的回報。