UNTIL和BEFORE

来源：学生作业帮编辑：搜狗做题网作业帮分类：英语作业时间：2024/06/17 10:40:27

UNTIL和BEFORE
I developed very slowly and it took nearly two hunred years before I as built as a an analytical machine by Charls Babbage.
为什么用before不用until?

efore之前
I finish my homework before go to school
until直到
I don't know it until seven
这还跟动词是否是延续性有关

UNTIL和BEFORE before和until until和before 的区别. until和before的区别 before和until的区别 until 和before的区别 before, until until和before用法的区别是什么? NOT UNTIL 和 BEFORE 的区别 until,before和after的用法差异 until和before有什么区别? until 和before 有区别吗