她马上就要参加一个她知之甚少的科目的期中考试了。
She was about to walk into a midterm exam for a subject she knew very little about.
人们对森林衰退还知之甚少，但森林衰退会导致树叶和针叶大面积脱落。
Forest decline is still poorly understood but leads to the loss of a high proportion of a tree's needles or leaves.
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。
They readily admit, however, that little is understood yet as to the reasons why ice age artists created their interesting and detailed paintings.
研究人员说，在这项新研究之前，人们对于在飞机上直接感染常见的呼吸道病毒，如流感或普通感冒的风险知之甚少。
Prior to the new study, little was known about the risks of getting directly infected by common respiratory viruses, such as the flu or common cold, on an airplane, the researchers said.
我们对大脑知之甚少，也不知道它如何处理同时出现的相互冲突的信息，但所有的常识直觉都告诉我们，我们应该对此深感震惊。
We know very little about the brain and how it deals with simultaneous conflicting input, but every common-sense intuition suggests we should be profoundly alarmed.
我成年后，发现自己对大多数人认为是理所当然之事知之甚少。
I came into adult life clueless about a lot of things that most people take for granted.
胡安对世界知之甚少。
如果你对它们知之甚少，也不要担心。
一些新志愿者对“替代树”知之甚少。
他们对家庭教育知之甚少，因此会犯错误。
They know little about home education and thus make mistakes.
尽管人类已经登陆月球，但我们对月球仍然知之甚少。
We still know little about the Moon although men have landed on it.
我很犹豫，因为我对中医知之甚少，并且从未尝试过。
I was hesitant because I knew so little about it and have never tried it before.
然而相比之下，科学家们知之甚少的是设定目标的潜在危害。
What's far less understood by scientists, however, are the potentially harmful effects of goal-setting.
他们知道数字是按顺序排列的，但对每个数字的含义却知之甚少。
They recognize that numbers are organized sequentially, but have little awareness of what each individual number means.
真正令人感兴趣的是早期的数据，这表明我们对恐龙和翼龙进化的早期阶段仍然知之甚少。
The real interest is the early date, showing that we still know very little about the earliest stages of dinosaur and pterosaur evolution.
我认为它为任何读者都提供了丰富的知识，不论是对科学知之甚少的人，还是职业物理学家。
I think it promises enrichment for any reader from those who know little about science to the career physicist.
我认为它为任何读者都提供了丰富的知识，不论是对科学知之甚少的人，还是对职业物理学家。
I think it promises enrichment for any reader, from those who know little about science to the career physicist.
这个空间站需要吸引前沿研究（的技术支持），但许多科学家似乎对空间站上发生的事情知之甚少。
The station needs to attract cutting-edge research, yet many scientists seem to have little idea what goes on aboard it.
现代社会的一个普遍现象是，越来越多人对他们的邻居知之甚少，尽管他们多年来一直生活在同一个社区。
A common phenomenon of the modern society is that a growing number of people know little about their neighbors, although they live in the same community for many years.
由于主流出版物很少对普通的非洲裔美国妇女做深入的专题报道，因此人们对我们是谁、我们的想法和我们平常面对的事情知之甚少。
Because few mainstream publications have done in-depth features on regular African-American women, little is known about who we are, what we think and what we face on a regular basis.
其中令人惊讶的发现是丽贝卡·布鲁克斯对她的新闻工作室所发生的事情知之甚少，她很少过问、事实上她从不询问新闻故事是怎样得来的。
One of the astonishing revelations was how little Rebekah Brooks knew of what went on in her newsroom, how little she thought to ask and the fact that she never inquired how the stories arrived.
幸存者对他们失踪亲人的音讯也知之甚少。
Survivors have lacked information about their missing loved ones.
但是，我们对这种情况的分子机制知之甚少。
But we know little about the molecular mechanisms underlying the condition.
他对生物学知之甚少。
而人们对人类这一最基本的需要还知之甚少。
Nonetheless, Ying-Hui Fu with the University of California San Francisco says little is known about this basic human need.
然而，大多数经理对此所致的负面影响知之甚少。
Most managers don’t understand the negative consequences of this struggle.
他们面临家庭对他们的要求，而他们自己对新生活却知之甚少。
They face demands from families back home who often have little understanding of their new lives.
议会里坐满了对欧盟知之甚少甚至是一无所知并以此为傲的人。
Parliament is full of people who are proud to have little or no understanding of the EU.
被遗忘或被忽略的灾难是这个世界知之甚少、为之付出甚少的危机。
Forgotten or neglected disasters are crises the world knows little of and does little about.
全球每天都有数百篇学术文章发表，但是公众对这些信息知之甚少。
Every day, hundreds of articles appear in academic journals and very little of this information is available to the public.
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