Several years later, researchers discovered the exact cause of pellagra: a lack of the B vitamin known as niacin.

VOA: special.2009.01.27

If I went under here and then the people said, "Where the hell did he go? Class is over," that would show a lack of object permanence.

如果我蹲在这里,有人说,"他去哪了,下课了耶",这话就表现出他缺乏客体永存性的概念

耶鲁公开课 - 心理学导论课程节选

You can use this to express possession or a lack of possession of anything. Tangible or intangible.

你可以用它来表示你有或没有什么东西。有形与无形的事物都可以通用。

I have 课堂 - SpeakingMax英语口语达人

He said girls in one Dakar school told him about a lack of bathrooms and textbooks for them, and bullying from boys.

VOA: special.2010.05.20

In short you might say a lack of civic piety or respect.

简言之，你会说那是,缺乏公民虔诚或尊重。

耶鲁公开课 - 政治哲学导论课程节选

An official from Kenya, Adam Barre Duale,said it showed a lack of unity in the fight against hunger.

VOA: special.2009.11.23

It includes anhedonia and a lack of motivation.

其表现是快感和动机的缺乏。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

Investigators blamed the destruction on the poor quality of many buildings and a lack of earthquake-resistant structures.

VOA: special.2011.01.04

And the dominant problems concern consist of a lack of social connectedness, problems with language, problems dealing with people, and more generally, a problem of what the psychologist, Simon Baron-Cohen has described as "mind blindness."

主要症状包括缺乏社会联系,语言障碍,社交障碍,总而言之,会产生一种心理学家西蒙·伯龙·科恩,称之为"精神性盲"的症状

耶鲁公开课 - 心理学导论课程节选

Michael Breus says any tired driver is dangerous, but especially a teenager with a lack of experience.

VOA: special.2010.10.07

to express a lack of complete knowledge about the multitude of subjects.

它可以用来表达你对一些话题并不完全了解。

I don't know 课堂 - SpeakingMax英语口语达人

And a lack of physical activity among many Pacific islanders only adds to the obesity problem.

VOA: special.2010.08.23

But this is where for lack of a better term non-western countries really formally challenged at the highest levels and the lowest, too.

之所以这么说，是因为找不到更好的表达方式了,这表明非西方国家,从最高层面和最低层面都提出了挑战。

普林斯顿公开课 - 人性课程节选

That means their households, at some time during the year, had difficulty providing enough food for all members because of a lack of resources.

VOA: special.2009.11.23

The dietary laws are presented by the priests not as a sensible way to avoid various diseases that are caused by the lack of refrigeration in the desert.

饮食教规并不是被祭司们,并不是作为一个规避疾病的方法出现的,这些疾病是由于沙漠地区缺水造成的。

耶鲁公开课 - 旧约导论课程节选

The South was beginning to suffer from a lack of supplies and men for its armies.

VOA: special.2009.10.29

For the course's website, help@cs net there'll be support forms and an email address, help@cs50.net, that you can turn to and frankly this is more a commentary on our lack of social lives during the term.

对于课程网站，我们有支持表格和邮箱地址，有什么问题可以求助去它,这更像是在评论我们的学习生活太缺乏社交活动。

哈佛公开课 - 计算机科学课程节选

But some groups like Doctors Without Borders said patients in field hospitals were dying because of a lack of basic medical supplies like antibiotics.

VOA: special.2010.02.01

There's always this veneer of innocence, or lack of learning, or lack of sophistication; so, she is presenting herself as a simple person.

她一直给人们一种，不学无术、学识浅薄、,胸无城府的假象;,让人觉得自己是一个简单的人。

耶鲁公开课 - 1945年后的美国小说课程节选

Even more die from a lack of food or water after swallowing pieces of plastic.

VOA: special.2009.09.22

The solution to that might be a kind of amnesia, a kind of progressive lack of memory.

也许可以用健忘症来解决，一种持续的记忆缺失。

耶鲁公开课 - 死亡课程节选

That is a lack of Medicare coverage for some drug costs for older Americans.

VOA: special.2010.03.24

The Heart responds.] The Heart. What, be a singer born and lack a theme?

心回应道],心：什么，一个天生的歌唱家怎能缺少一个旋律？

耶鲁公开课 - 现代诗歌课程节选

Signs of liver injury include nausea, vomiting and a lack of energy.

VOA: special.2009.07.08

There are a lot of ways in which a red light means neither "stop" nor "go," but we are sort of confining ourselves so far to the ways in which a red light has something to do with locomotion or the lack thereof.

很多时候红灯既不表示停,也不表示走“,但是我们却惯性的认为,红灯就是提示开始或者停止移动。

耶鲁公开课 - 文学理论导论课程节选

The North was beginning to suffer from a lack of fighting spirit.

VOA: special.2009.10.29

You have some kind of a lord, I mean a king, for lack of a better name, a monarch who fundamentally rules and everybody is subject to him.

你会想到领主,也就是国王,我想不出更好的说法了,统治者制定规则,一切都要臣服于他

耶鲁公开课 - 古希腊历史简介课程节选

Violence and a lack of a police department soon caused problems.

VOA: special.2009.02.04

It was also caused by just a general lack of confidence.

它同时也是由于,缺乏自信导致的。

耶鲁公开课 - 金融市场课程节选

And we pay a price for this lack of stillness.

我们为缺乏安静付出了代价。

哈佛公开课 - 幸福课课程节选