
inverse
词源
源自拉丁语 'inversus',意为'倒转的',由 'in-'(反向)和 'vertere'(转动)组成,14世纪进入英语。
adjective
❶ 指与某事物相反或对立的,常用于数学或逻辑关系中描述两个事物完全相反的状态。
“The inverse relationship between supply and demand is fundamental in economics.”
(供需之间的反比关系是经济学中的基本原理。)
“He found the inverse operation of multiplication is division.”
(他发现乘法的逆运算是除法。)
noun
❶ 指某事物的反面或对立面,在数学中特指倒数或逆运算的结果。
“The inverse of 5 is 1/5 in multiplicative terms.”
(在乘法意义上,5的倒数是1/5。)
“She studied the inverse of the function in her calculus class.”
(她在微积分课上研究了这个函数的反函数。)
常见短语
inverse proportion — 指两个量成反比关系,一个量增加时另一个量相应减少。
“The speed of a car is in inverse proportion to the time taken to reach the destination.”
(汽车的速度与到达目的地所需的时间成反比。)
inverse function — 数学术语,指能撤销原函数运算的函数,将输出值映射回输入值。
“The natural logarithm is the inverse function of the exponential function.”
(自然对数是指数函数的反函数。)