Because dengue was long confined to the tropics, it remains a little-understood disease.
因为登革热病很长时期仅限于热带地区，所以它仍然是一种不被了解的病毒。
The landmark research paves the way for new drugs for infertility, the heartbreaking but little-understood condition that affects one in six couples.
这项具有里程碑意义的研究为研发新的治疗不育的药物铺平了道路。 每六对夫妇中，就有一对遭遇到令人伤心，但原因不明的不育难题。
Many bacteria lack flagella and cannot move about by their own power, while others can glide along over surfaces by some little-understood mechanism.
好多细菌没有鞭毛也没法靠自己的力量运动，同时还有一些细菌可以通过一些尚不确知的机制在水面滑行。
Studying the climate reveals new, little-understood, mechanisms: as temperatures warm, they set off feedback effects that may increase, or decrease, warming.
气候研究揭示了新颖的，人们知之甚少的机制：随着温度升高，它会引起反馈效应——加速或抑制全球变暖。
In demystifying the little-understood speech impediment, the award-winning film reveals myths and fascinating truths about stuttering, and has won praise from stutterers of all ages.
这部获奖电影主题是口吃，一种人们知之甚少的语言障碍。它揭示了人们对口吃的误解和真相，受到众多口吃者的欢迎。
Two major reasons come to mind: one has to do with the little-understood truth about new software releases, and the other has to do with a well-known weakness in the foundations of Struts.
这有两个主要原因：一个原因与鲜为人知的新软件发行惯例有关，另一个原因则与众所周知的struts根基中的弱点有关。
For all its faults, Elephants on the Edge deals with a fascinating and little-understood subject, which makes it doubly disappointing to find it so devoid of facts and overstuffed with opinion.
说到《灭绝边缘的大象》一书所有的缺点，虽说它涉及到的主题鲜为人知、引人入胜，但是发现书中缺少事实依据，充斥着主观意见，这令人失望至极。
On that day, their little boy Eric seemed so calm, petting the old dog for the last time, that I wondered if Eric understood what was going on.
那天，他们的小儿子埃里克看起来很平静，最后一次抚摸那只老狗，我怀疑埃里克明白发生了什么。
They readily admit, however, that little is understood yet as to the reasons why ice age artists created their interesting and detailed paintings.
然而，他们欣然承认，对于冰河时代艺术家创作他们这些有趣而精细的画作的原因，人们知之甚少。
Then I explained a little more about the idea of doing something for a stranger, and she understood.
后来我又多解释了一些关于为陌生人做点什么的想法，她就明白了。
He did a little research on the Internet and discovered that smiling is a universal language—it is understood everywhere.
他在网上做了一些研究，发现微笑是一种世界通用的语言——它在任何地方都能被理解。
This little boy was so excited to know there was somebody else who understood the things he was wondering about.
当知道有人能够理解他很好奇的那些事物时，小男孩很是激动。
At the end of the experiment, a little girl told me, "Apart from the fact that improper replication of the DNA molecule causes genetic disease, we have understood nothing else."
实验结束时，一个小女孩告诉我，“除了知道不恰当复制DNA分子会引起基因疾病这一事实外，其它的就不理解了。”
Desk psychology is so little understood that those who make judgments about you based on the state of your work space may not even realise they are doing so.
桌面心理学很少被人理解，以至于那些通过你的工作空间的情况来评价你的人甚至都没有意识到他们在做这样的事。
Too little is understood about the substantial costs of neglecting animal health and how it’s one of the important determinants of public health in low-income countries.
目前，对忽视动物卫生的代价及动物卫生如何成为低收入国家公众健康的重要决定因素的了解太少。
By some estimates close to a trillion dollars in credit default swaps out there were created electronically and are now undocumented and little understood.
一些人估计通过电子方式产生的信用违约掉期接近万亿美元，而它们都没有正式文件证明而且难于理解。
But despite being incredibly common, they can often go misdiagnosed - simply because they are little understood by many GPs.
但是，难以置信的是它们(结石)经常会被误诊-仅仅是因为它们很难被普通医生诊断出来。
Of course, if Brad gets a little full of himself every now and then, that could be understood.
当然，如果布莱德有时有一点自傲，那也是可以理解的。
Readers felt they understood the world a little better as they learned why most drug dealers live at home, for example (the profits go to gang leaders).
当读者读了为何大多数毒品经销商住在家里后，他们会感觉对世界了解得多一点了，例如(利益都为黑道大哥所得)。
GM is understood to be nervous about having its intellectual property transferred to two little-known players in the car industry.
通用对此事的态度可以理解，因为通用担心知识产权将转让给两个不知名的企业。
Police insiders stress that firearms officers have a highly dangerous job, the risks and realities of which are little understood outside law enforcement circles.
警方人士强调，火力支援警员从事着一份非常危险的工作，执法圈子以外的人对他们工作的细节和其中的危险知之甚少。
The morning was fair with little wind, yet it was the season of the year when storms could be looked for, so I understood why the Russian wished to move onto our island.
那天上午天气晴朗，风很小，但是每年的这个季节中暴风雨随时会来，所以我明白为什么俄国人要急于把东西搬到我们岛上来。
But the uncertainty of this range is itself a comment on how little carbon's role in the Earth's overall physics and chemistry is understood.
这种范围不确定本身就解释了关于碳在地球总体物理、化学中的作用，人们了解的是那么的少。
My shock and embarrassment at finding Mother in tears on Wednesday was a perfect index of how little I understood the pressures on her.
星期三，当发现妈妈哭时我所感到的震惊和窘迫，完全表明了我对妈妈所承受的压力是多么的不理解。
The little prince to the earth, when he understood her ridiculous trick behind Embrace in tenderness, when he's sad, such as sinking, soaring on the planet monkey bread tree.
小王子到了地球上，那是他明白他那可笑的伎俩后面是缱绻柔情，那时他的悲伤如那颗星球上疯长的猴面包树。
The little prince to the earth, when he understood her ridiculous trick behind Embrace in tenderness, when he's sad, such as sinking, soaring on the planet monkey bread tree.
小王子到了地球上，那是他明白他那可笑的伎俩后面是缱绻柔情，那时他的悲伤如那颗星球上疯长的猴面包树。
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