There are many places on the earth that are still unknown to humans.
地球上还有许多人类未知的地方。
It is still unknown how the universe came into existence.
人们仍然不知道宇宙是如何形成的。
The cause of her death is still unknown.
关于其死亡的原因至今还未知晓。
The cause of the crash is still unknown.
此次失事的原因尚不清楚。
The true size of the universe is still unknown.
对于宇宙的真正尺度，我们仍然一无所知。
The fate of many of those residences is still unknown.
这些居民的命运现在还无从知晓。
The long-term effects of bad presents are still unknown.
糟糕的礼物对二人关系的长期影响依然尚未知晓。
It is still unknown if the protein plays a similar role in people.
目前还不清楚这种蛋白质是否对人类也起到相似作用。
However, it is still unknown when exactly you will get this baby.
然而，何时我们才能够拥有它，仍是一个未知数。
The precise neural mechanismfor this effect, however, is still unknown.
而这种效应的神经机制仍然未知。
The precise neural mechanism for this effect, however, is still unknown.
然而，这种效应的精确神经机制仍然未知。
Whether this striking absence of pluripotency is universal is still unknown.
多能性的这种明显缺失是否是普遍的尚未可知。
But though cryptochrome is likely part of the compass, the other part is still unknown.
不过，尽管隐花色素很有可能是罗盘的一部分，但另外一部分仍然没有找到。
Still unknown: whether an electronic problem is also a culprit in sudden acceleration.
是否电子设备的问题也引起了突然加速的问题呢？ 这还至今未得到答案。
The precise brain mechanisms leading to the perception of the illusion are still unknown, however.
然而，导致这个错觉发生的确切的大脑机制还尚不明了。
Weber commented that many breathtakingly beautiful, natural places are still unknown to many of us.
韦伯评论道，我们中的许多人对于诸多具有惊人之美的自然景观还一无所知。
Because the rv repair time is still unknown, Marian is nervous about making our final destination on time.
因为RV的修理时间仍旧是未知的，所以Marian对准时到达最终的目的地感到不安。
Gradually, the crowd thinned and, after four hours, the meeting broke up, with Mr. Lewis's fate still unknown.
渐渐地，人群变的稀薄了，经过4个小时，会议结束了，而刘易斯的命运仍是未知数。
The plant has created not just an ugly slag heap but a public-health problem whose true extent is still unknown.
该工厂已经不只是一个丑陋的矿渣堆了，而且它也引起了公共健康问题，这个问题的严重性仍是未知。
During the PETM, for reasons that are still unknown, the amount of carbon in Earth's atmosphere rose rapidly.
由于种种原因，在古新世-始新世极热时期地球大气中碳上升的量。
Exactly how chromosomes take their necessary shapes, and how these shapes then affect genes, is still unknown.
染色体究竟是如何形成特定的形状，然后又如何影响基因，这还不得而知。
The disease begins, they believe, when for still unknown genetic and other reasons, the brain starts to churn out amyloid.
他们相信，疾病发生的初期，虽仍有未知的基因及其他原因在作祟，但脑部已经有大量的类乙型蛋白产生。
Though the conclusions confirm primates' avoidance of red, what drives our hesitation around the color is still unknown.
尽管结论证实了灵长类对红色有规避行为，但是驱使我们对红色作出反应内在机制仍然不明。
Still unknown, she says, is whether one or more of the top performing bacteria (such as Lactobacillus curvatus / gramininis VM25;
她说，目前还不知道，到底是最有抑制性的一种或几种细菌（例如乳酸菌/gramininisVM25；
Still unknown, she says, is whether one or more of the top performing bacteria (such as Lactobacillus curvatus / gramininis VM25;
她说，目前还不知道，到底是最有抑制性的一种或几种细菌（例如乳酸菌/gramininisVM25；
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