起初关于这个物体究竟是什么完全是个谜。
总的来说，科学家们尚不能完全确定云究竟在全球变暖中扮演着何种角色。
On balance, scientists aren't entirely sure what effect clouds will have on global warming.
完全可以证明，要非常准确地确定究竟在什么地方首次出现或者变成传染到人的病毒可能办不到。
It may well prove impossible to pinpoint exactly where it first emerged or became infectious to people.
这件商品究竟值多少，从另一种意义上说，是一个完全主观的事情，它是由那些迫不及待地想把东西买走、却还都囔着‘真便宜’的消费者决定的。
What an item is “worth,” on the other hand, is an entirely subjective matter determined by the consumer who eagerly snatches the item up or walks away, thinking “What a rip-off!”
因此，我们在扪心自问为什么对克隆技术如此着迷之前，不得不首先审视自己的心灵，问一问：究竟是什么东西使得我们中的许多人对于尝试复制与自身基因完全等同的孪生兄弟那么不安？
So before we can ask why we are so fascinated by cloning, we have to examine our souls and ask, What exactly so bothers many of us about trying to make an exact copy of our genetic selves?
那些位置具体究竟在哪里，以及俄罗斯方面是否完全履行了停火协议，各方意见不一。
There are differing views as to where those exact positions are and whether the Russians have fully complied.
人们可能没有意识到，自己完全陌生的人窥视它们的生活究竟有多频繁，手段是如何的多端。
People probably don't realize, just how often and in how many ways that total strangers are snooping in their lives.
为了一探究竟，罗登布希博士让一群志愿参与实验的人食用85克的牛奶巧克力，并要求另一组实验对象完全不吃巧克力。
To find out, Raudenbush had a group of volunteers eat 85 grams of milk chocolate. He asked another group to eat no chocolate at all.
尽管如今已有很多的嫌犯，但肥胖究竟影响大脑的机制却并没有完全弄清。
Why fatness should affect the brain in this way is not clear, although a host of culprits have been suggested.
我们中的很多人总是无法对别人完全放开，这样不仅无法真正认识自我，甚至连自己究竟需要什么都不知道。
Some people have never been very open to others in their life. Heck, some people might not even know themselves, or know much about their own real needs and desires.
他们怨声载道——“我完全不知道屏幕阅读器是如何工作的”，诸如此类。作为设计师，我们始终没能完全了解可访问性或者通用性究竟意味着什么。
Sentiments such as "I have no idea how a screen reader works" demonstrate that as a design community, we still do not fully understand what accessibility-or universality-actually means.
对于错误我们或许有义不容辞的纠正义务，但究竟几个人能够完全坦然呢？
Maybe it's true that we need to apology for our wrong doings, but how many people can be brave enough to do so?
最近我赢得了我对两个儿子的完全监护权，现在我知道我所赢得的究竟意味着什么。
Recently awarded full custody of my kids, I now know what winning really means.
IT工业已经成熟，除非苹果作出什么完全出人意料的东西，否则我们对这玩意儿究竟是怎样的已心中有数。
The technology industry has matured and, unless Apple does something completely unexpected, we have a pretty good idea what this will look like.
它完全没有任何具有验证资格的组织来进行监管，因此其含量究竟应该如何没有前例。
It is completely unregulated by any certification organizations and therefore has no real precedent to what its content should be.
如果思想与现象彼此不完全相符合，那么我们至少可以自由选择，究竟是两者中的哪一个有了缺陷。
If thought and phenomenon do not perfectly correspond to one another, we are free at least to choose which of the two shall be held the defaulter.
他们完全不敢相信自己的眼睛和感觉，这究竟是不是他们感觉错了？
They entirely challenge not trust their their own eyes and felling, this actually is isn't that did they feel wrong?
完全不清楚望远镜究竟是谁发明的。
你所说的完全切合究竟。
要明白其究竟，我必须完全改变观察点，去研究蒸汽、教堂大钟及风力的运动规律。
To do that I must completely change my point of observation and study the laws of the motion of steam, of the bells, and of the wind.
究竟是什么因素导致哮喘病还不完全清楚。
然而，不信的人完全不明白这经文究竟何指，也没有几个人懂得它的宝贵与它所带来的喜乐。
Alas, unbelief does not know what to think of it, and but few count it their treasure and joy.
电影给我们提出了这样一个苛刻而艰难的问题：在完全不能容忍正直行为的环境之下，一个好人究竟应该如何去做？
Posing a stark, difficult question - how does a good man act in circumstances that seem to rule out the very possibility of decent behavior?
关于此事，我们仍然是完全无知的，生命究竟是在类地环境中几乎自动和自然地产生的，还是说只不过是一次侥幸而已。
We're still completely ignorant about whether life pretty much automatically and naturally arises in Earth-like conditions, or whether it is just a fluke.
关于此事，我们仍然是完全无知的，生命究竟是在类地环境中几乎自动和自然地产生的，还是说只不过是一次侥幸而已。
We're still completely ignorant about whether life pretty much automatically and naturally arises in Earth-like conditions, or whether it is just a fluke.
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