reciprocal(形容词/名词):相互的;互惠的;互相给予与回报的。在数学中也可指倒数(较常见的另一义)。
/rɪˈsɪprəkl/
A reciprocal agreement benefits both sides.
互惠协议使双方都受益。
Their relationship was built on reciprocal trust and respect, which helped them overcome conflicts.
他们的关系建立在相互的信任与尊重之上,这帮助他们克服了冲突。
来自拉丁语 reciprocus,有“来回的、相互交替的”之意,后来进入英语,逐渐固定为“彼此相对的、互相的/互惠的”这一核心含义。