One of the more innovative uses was to use it in windows as, up until then, they had just been holes in walls.

其中一个更具创新性的用途是把它用在窗户上，因为在那之前，窗户还只是墙上的洞。

youdao

Up until then, I hadn't truly realized just how expensive an education can be.

直到那时，我才真正意识到教育是多么的昂贵。

youdao

Up until then, I had been refactoring my code (and even other's code) without knowing it.

在此之前，我一直都在重构我的代码(或者其他人的代码)，但是却不知道自己做的就是重构。

youdao

Then it is left until most of the water dries up.

VOA: special.2009.07.06

Up until then they had been using the old stadium, which now has been turned into a park.

在那之前，他们一直使用旧体育馆；现在旧体育馆已经成为一个公园了。

布朗克斯的景点 - SpeakingMax英语口语达人

I'm then printing bracket one, bracket two, bracket three, bracket dot, dot, dot up until the total number of arguments, 1 whatever that may be, and it's going to be at least one because the program always has a name.

然后我打印，括号等等等，知道打印完所有的参数，不管那个最大值可能是什么，它将至少为,因为程序总是有一个名字。

哈佛公开课 - 计算机科学课程节选

Up until then in the story, animals were the only things that had been slaughtered.

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Up until then, most people put their spending money in community bank checking accounts.

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The incident proved decisive because up until then United had been thwarted by Bolton keeper Jussi Jaaskelainen.

BBC: Man Utd 2-0 Bolton