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。
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。
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。
However, the overall effectiveness of animal models for mood disorders is still unknown.
然而，心境障碍动物模型整体有效性仍然未知。
The fact that Great Britain is made up of three countries is still unknown to many people.
很多人仍然不知道英国由三个国家组成。
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。
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。
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。
Although the importance of auxin in root development is well known, the molecular mechanisms involved are still unknown.
众所周知生长素对根的发育有着重要的作用，但对其作用的分子机理却尚未明了。
If your site is rather new and still unknown, a good way marketing technique is to get involved in the community around your topic.
如果你的网站是全新的且不为人知，参与与你网站主题相关的社区是一个很好的推广方法。
Human babies sometimes fall victim to a similar phenomenon named sudden infant death syndrome, the cause of which is still unknown.
人类婴儿有时也会患上类似的病症，这被称为“婴儿猝死综合症”，其产生原因尚不明确。
O young lady, you young lady of the distant land! Excuse me for addressing you as "young lady", for your name is still unknown to me.
你年青的，年青的，远隔河山的姑娘哟，你的名姓我不曾知道，你恕我只能这样叫你了。
Because so much is still unknown at this point, the main risk factor is people traveling to areas where cases have already been identified.
鉴于此时很多都还是未知数，那些到过这些已被确认受感染地区的人们就成为主要风险因素。
The pancreas is the organ that helps the body regulate blood sugar. So it’s a vicious cycle,Robertson said, and the cause is still unknown.
胰腺是帮助身体调整血糖水平的器官，因此，罗伯逊说，这是一个恶性循环，但糖尿病的病因我们仍不清楚。
The pancreas is the organ that helps the body regulate blood sugar. So it's a vicious cycle, Robertson said, and the cause is still unknown.
胰腺是帮助身体调整血糖水平的器官，因此，罗伯逊说，这是一个恶性循环，但糖尿病的病因我们仍不清楚。
The overarching cause of autism is still unknown, and cases have been linked to about 100 mutations, some inherited and some developing spontaneously.
导致自闭症的主要原因尚未确定，研究发现自闭症病例与100种基因变异有关，其中一些可以遗传，一些则是自然发生。
What is still unknown, he says, is how full production will affect the deposits, and what mixture of gases and water must be injected to maintain their output.
他表示全面投产究竟对矿物沉积层会造成怎样的影响和必须注入什么样的水和天然气混合物才能维持生产还都是未知数。
The Neanderthal, a cousin of the modern human who disappeared about 30 millennia ago for still unknown reasons, was far more massive and had a larger brain.
穴居人，这个约在三万年前不知何因消失的现代人近亲，要远比现代人巨大，他们有着更大的大脑。
Second, examinations can help them filter out what they still unknown and inspire them to read more and study further to get the latest relevant information.
其次，考试能够帮助他们筛出知识盲点，激发他们去阅读更多，更深入地学习，从而获取最新相关信息。
But with several other NSG members having expressed concerns, and the attitude of China, India's great rival, still unknown, the deal's safe passage cannot be assumed.
但是核供应国集团中已有几位成员国对此表示忧虑，印度最大的对手中国的态度还不明朗，所以不能假定说该协议会安全通过。
Though 10 of the 61 patients who suffered adverse reactions from receiving Avastin injections have recovered, the source and use of the controversial drug is still unknown.
在61名注射了阿瓦斯丁后有不良反应的患者中，虽然有10名已经恢复，但这种有争议的药物的来源和用途仍然处于未知状态。
Post tensioned prestressed concrete hollow slab(PTPCHS) is one of high strength prestressed concrete hollow slab, and its construction performance is still unknown yet.
后张预应力混凝土空心板是一种高效预应力空心板，目前国内尚未对其结构性能进行系统研究。
It has been proven that MSC could be beneficial in the treatment of a variety of diseases in central nervous system, though the underlying mechanisms are still unknown.
实验证明，间充质干细胞对神经退行性疾病、神经免疫性疾病、神经系统损伤性疾病和脑血管疾病都有积极的治疗意义，尽管其潜在的作用机制尚未明确。
However, when the pilot qualification will be implemented and whether there will be other Banks following up to join the second batch of pilot applications is still unknown.
不过，试点资格何时落地及后续是否还有其他银行加入第二批试点申请，目前仍是未知数。
However, when the pilot qualification will be implemented and whether there will be other Banks following up to join the second batch of pilot applications is still unknown.
不过，试点资格何时落地及后续是否还有其他银行加入第二批试点申请，目前仍是未知数。
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