温室效应的具体影响尚不可知。
自我是唯一可知的存在物。
是什么驱使一只鱼龙咬另一个鱼龙的鼻口部仍未可知。
What led one ichthyosaur to bite another on the snout is unknown.
就像任何这类研究一样，原因尚未可知，究竟是出于这一因素，还是那些不吃早餐的人本来就更容易增重。
As with any study of this kind, it was unclear if that was the cause—or if breakfast-skippers were just more likely to be overweight to begin with.
在过去的23或24年的时间里我一直是一个不可知论者。
For the last twenty-three or twenty-four years I have been an agnostic.
由此可知，节约使用能源储备可以延长寿命。
It follows from the above that sparing use of energy reserves should tend to extend life.
根据短文可知，他是一个与自然和命运作斗争的人。
According to the passage, he is a man who is fighting against nature and fate.
这场法律角逐可能会耗上好几个月的时间，哪一方在法庭占上风，哪一方又会赢得公众舆论和立法者的青睐都尚不可知。
There will probably be months of legal tussling, and it is not at all clear which side will prevail in court, nor in the battle for public opinion and legislative favor.
我姑姑？那你可知谁救了我的命？
这一切在何时何地发生尚未可知。
这是否是个普遍现象还尚不可知。
这一判断正确与否尚不可知。
你可知现在已是十二月份了。
先生，你可知道鲁宾逊花园？
确切的病例数和死亡人数此时尚不可知。
The exact number of cases and deaths is unknown at this time.
你可知道我母亲在哪？我现在就要见她。
可知成因：身心压力，接触有毒元素
Perceived cause: Physical and psychological stress, exposure to toxic elements
你可知道，要是我够聪明，现在该做什么？
由定义可知，它们非常难以预测。
我提到过，洛克是个不可知论者。
这也会使我们的精神生活变得神秘及不可知。
It will make the mental aspects of our lives mysterious and unknowable.
但是你可知道竹子也可以当做大渔网的支架？
But did you know that bamboo is also used as a support for large fishing nets?
它们还应该对上游层中的流程不可知。
They should also be agnostic of the processes in the upstream layers.
你可知怎样粉刷大桥？
多能性的这种明显缺失是否是普遍的尚未可知。
Whether this striking absence of pluripotency is universal is still unknown.
故可知人生是由“渐”维持的。
Hence it is evident that life is sustained by "gradualness".
麻烦的是，投资者购买股票的原因是不可知的。
The trouble is that it is impossible to know why investors are buying.
谁将会接任哈尔德的首相之职尚未可知。
谁将会接任哈尔德的首相之职尚未可知。
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