Before this time, exposition might have come from actors simply giving speeches.
在此之前，阐述部分可能仅仅来自于演员的演讲。
Before this happened, however, the Mediterranean was a vast desert 3,000 meters deep.
然而在此之前，地中海是一片3000米深的大沙漠。
Before this evidence was discovered, it had generally been assumed that rice farming began farther to the south.
在这一证据被发现之前，人们普遍认为水稻种植开始于更远的南方。
Before this was discovered, engineers had already built instruments to exploit the principle, for example to measure the depth of the sea under a ship.
在这个原理被发现之前，工程师们已经制造了利用这个原理的仪器，例如测量船下的海洋深度。
Although there are some problems to solve before this will be possible, we can certainly dream of a world where technology makes life easier and safer for millions of people.
尽管在这将成为可能之前有一些问题需要解决，但我们肯定可以梦想一个世界，在那里科技使千百万人的生活更容易和更安全。
In the future, although we might be able to fly to work and lift, there are plenty of problems to solve before this will be possible.
在未来，尽管我们可能能够飞着去上班和飞上天，但在这成为可能之前，还有很多问题需要解决。
The gleesome noise died before this rough exorcism.
在这种粗暴的驱魔仪式之前，欢乐的声音消失了。
He hoped he would have retired before this.
他希望，在发生这一切前自己已经退休了。
He later said, "I'd seen four re-entries before this one."
他后来说，“之前我曾经目睹过4次航天飞机返回。”
Battlefields, though, were not lawless places before this.
此前的战场也并非无法无天。
Shortly before this flatness we saw sargasso weed floating by.
就在大海平静下来前不久，我们看见有尾藻类海草在海面上漂过。
But even before this week's scandal, some donors appeared stand-offish.
但是，即便在本周的丑闻之前，一些捐助国也开始显得疏远。
In the days just before this sketch appeared, Bell had not been working in his lab.
在这个草图出现之前的几天里，贝尔并没有在他的实验室里工作。
Trademarks registered before this Law enters into force shall continue to be valid.
本法施行以前已经注册的商标继续有效。
Even before this, cia officials had been hiring lawyers in anticipation of trouble.
即使在这之前，中情局的官员们一直都有雇佣律师以应对可能出现的麻烦。
Before this, PHP 3 saw the introduction of object-oriented function to the language.
在此之前，PHP3见证了该语言对面向对象的函数的引入。
The Vampire Diaires will flashback to 1864 one more time before this season concludes.
在第二季结束之前，《吸血鬼日记》将再次闪回到1864年。
Before this awful apparition I retreat in terror — a terror that is upon me as I write.
在此幻影前，我在恐惧中退却——这种恐惧即便现在我写作时依然伴随着我。
This poem, this entire poem before this point hasn't been sung by John Milton at all.
这首诗，这一句之前的整首诗，完全未被弥尔顿歌颂。
But it could be some time before this new type of transaction becomes an everyday reality.
但新型的交易成为日常现实还需时日。
And then it will plot it, and we'll get to, before this lecture's over, how the plotting works.
然后它将会把它用图形绘制出来，然后在讲座结束前，我们会讲这该怎么做。
I am an optimistic man. I live in hope that we can live normally like we did before this happened.
我是一个乐观的人，我希望过上所有这些事情发生之前的那种生活。
The book — my publisher Princeton University Press wants to get it out before this crisis is over.
这本书-我的出版商，普林斯顿大学出版社，希望在这场危机结束之前出版它。
Fail status indicates that further work needs to be done before this can be certified as a service.
“失败”状态表示需要做更多工作，它才能被认证为合格的服务。
You really need to intervene before this all happens, you need to identify the children who are at risk.
一定要在这一切发生之前进行干预，要确定哪些儿童有危险。
You really need to intervene before this all happens, you need to identify the children who are at risk.
一定要在这一切发生之前进行干预，要确定哪些儿童有危险。
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