Fifteen years have passed since we graduated.I have found she has a few white hairs.

Fifteen years have passed since we graduated.I have found she has a few white hairs.

题目
Fifteen years have passed since we graduated.I have found she has a few white hairs.
few white hairs 为什么头发要用复数啊,她不是不可数吗?
答案
这里表示的是她已经有一些白头发了.白头发相对于所有头发来说数量很少,视为可数名词.
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