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1·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。

2·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。

3·Up until then, she had never lived alone.

在那之前，她从未自己生活过。

4·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。

5·I did something that should absolutely be condemned and compromised everything positive I had done up until then.

我做了一些绝对应该被谴责的事情，我毁了我此前在场上做的一切积极的东西。

6·Up until then it had only been produced in small amounts on the surface of the fermentation broth in milk bottles!

而在那时，penicillin只能用在瓶装牛奶表面发酵的方法小量的生产。

7·The dad-of-one explained how up until then he had never been intimate with a man and had been happy having girlfriends.

在父亲的一个解释，直到他从来没有亲密的人，已经很高兴有女朋友。

8·Up until then, Katz says, you worked for a company for 30 years, then you got a gold watch and a fixed retirement income.

直到那个时候，凯兹才谈到：为公司工作30年后，你可以得到一块金表或固定的退休金。

9·My family had just moved to Andover, Mass. , and up until then if I was funny it was because I did stupid, obnoxious things.

那时我们家刚刚搬到马萨诸塞州的安多韦，这之前如果我还算有趣的话，那是因为我爱做些令人不快的蠢事。

10·Up until then, it's a Dances With Wolves-like immersion in a culture, landscape and universe that is utterly, wonderfully foreign.

知道那时，沉浸在是与狼共舞似的文化、景观——极美和奇妙的宇宙中。