up until then是什么意思外加造句

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/08 16:33:07

直到那时的意思.
Up until then,I'd never considered it as a viable medication in mainstream medicine.
直到那时,我从来没有认为美沙酮是一种很奏效的主流药物.

up until then是什么意思外加造句 until then请问是什么意思呀, But then /Before then / Since then/ Until Then they won't get up until nine,ten or even eleven o'clock then造句 Walk until your feet bleed,And then keep walking这是什么意思 Until 是什么意思? until是什么意思帮忙用finish,not……until,add up,while,等词造句用not until造句用not...until造句 not.until 怎么造句?