But once we figured out what it was and reconstructed it.
但一旦我们弄清楚它是什么，就重建它。
But once out of a job, older workers have a much harder time finding another one.
但是一旦失业，年纪大的工人就很难找到另一份工作。
Wert thou but once here, my friend, though wouldst feel and own the power of knowledge.
我的朋友，如果你曾经在这里，你会感知并拥有知识的力量。
Snow falls as hexagonal crystals, but once on the ground, snow is soon transformed into a compacted mass of smaller, rounded grains.
雪以六角形晶体的形式落下，但一旦落到地面，雪很快就会变成一团更小、更圆的颗粒。
The allergen in jackfruit does not sensitize the immune system, but once birch pollen has done so, the immune system may react to jackfruit too.
菠萝蜜中的过敏原不会使免疫系统敏感，但是一旦桦树花粉刺激了免疫系统，免疫系统也会对菠萝蜜有反应。
The theory sounds eccentric but once he starts to explain the detective work that went into his deduction, the scepticism gives way to wary admiration.
这个理论听起来怪怪的，但一旦他开始解释符合他的推理的侦探工作，怀疑就变成了对他谨慎的赞赏。
Now she attributes much of her understanding of college to that: "But once I got to campus, it was a completely different ball game that no one really prepared me for."
现在她把自己对大学的理解很大程度上归结为：“但一旦我进入校园，一切就完全不同了，没有人真正让我做好准备。”
It may take a bit of time at the beginning, but once students get into it, they'll start to get confidence.
一开始可能会花点时间，但一旦学生们投入其中，他们就会开始获得信心。
According to a study by Australian National University, Australian children and Chinese children have the same level of eyesight before they start school, but once they enter primary school, Chinese children only spend about an hour a day outside, while Australian children spend three to four hours each day in the sunshine.
澳大利亚国立大学的一项研究显示，澳大利亚的孩子和中国的孩子在入学前的视力水平相同。但是一旦他们进入小学，中国的孩子每天只会在户外度过一个小时，而澳大利亚的孩子每天在阳光下待三到四个小时。
良机难再。
But once I imagined Heidi visiting me.
但有一次，我想象着海蒂来看我。
But once I saw it, there was no going back.
但是一旦我看到后，我就深深的迷上了。
But once you get past the ideal, where are you?
但是，一旦你错过了这些理想的食物，该怎么办？
I was to see that sight again, but once was enough.
我后来再次见到过这种场景，但一次就已经足够了。
But once we admit the truth, great power is unleashed.
但是一旦我们承认了事实，就会释放出极大的力量。
But once she was on the stage the Voice took over.
但她一上了舞台，嗓子就能主宰一切。
But once we do that I think people can relate to it.
只要我们能够做到，人们就能够感受到。
But once you've been diagnosed, you do have options.
但是如果你被诊断为不孕，还是有办法的。
But once the spell is broken there is nothing to be done.
但是一旦咒语解除了，就不需要做任何事了。
But once they do, she believes, all Afghans will benefit.
但是她相信，一旦如此，所有的阿富汗人都会受益。
But once the novelty wears off, the congestion should ease.
但一旦新鲜感慢慢褪去，人满为患的状况将得到减轻。
But once you have the right tools, it's not going to be.
但是如果获得更好的工具，情况可能就不是这样了。
Sounds scary, but once you’ve done it you’ll be glad you did.
听起来很紧张，但是你会感到高兴当你做了之后。
But once he has one, he would not limit himself to humans.
但是一旦真有了这样的仪器，那么应该不仅仅适用于人类。
But once it generates positive cash flow, the story can change.
但一旦产生正向现金流，情况就可能发生改变。
But once I learned to trust him you can imagine his efforts!
我一学会信任他(你可以想象他的努力！)
But once he is persuaded, he tends to go for big, bold solutions.
但是，一旦他被说服，他往往会赞成实施庞大而大胆的解决方式。
But once you've built an effective foundation, you can aim higher.
但是一旦搭建了一个有效的基础，就可以把目标放得更高。
But once you've built an effective foundation, you can aim higher.
但是一旦搭建了一个有效的基础，就可以把目标放得更高。
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