halve:动词,把……减半;把数量、大小或程度变为原来的一半。(也可引申为“对半分”。)
/ hɑːv /
We decided to halve the recipe because there were only two of us.
我们决定把食谱的用量减半,因为只有两个人吃。
New policies helped halve the number of traffic accidents over five years, though progress was uneven across regions.
新政策在五年内使交通事故数量减少了一半,不过各地区的进展并不均衡。
halve 来自古英语 healfian(“减半、对半分”),与 half(一半)同源。其核心含义一直围绕“变成一半/分成两半”。