As one grows up,one becomes more experienced为什么用as不用when
问题描述：
As one grows up,one becomes more experienced为什么用as不用when
答
在引导时间状语从句时若要表示两个正在发展变化的情况,相当于汉语的“随着”,一般用 as：Things are getting better and better as time goes on.随着时间的推移,情况越来越好.As it grew darker,it became colder....