Researchers found that these drinkers develop a form of esophageal cancer six to ten times more often than those without the deficiency.

VOA: special.2009.05.13

But can you see that the centers of electron deficiency lie on a sphere equidistant from the center?

但你看得到么,缺电子的地方分布在,与中心等距的一个球面上？

麻省理工公开课 - 固态化学导论课程节选

And by here, I mean it's net neutral, but the electron deficiency.

我的意思它是电中性的，只是有些缺电子。

麻省理工公开课 - 固态化学导论课程节选

The report says the more alcohol that persons with this deficiency drink, the greater their risk.

VOA: special.2009.06.23

So iodine deficiency was a real problem and then salt started getting fortified with iodine, and that really corrected a lot of those deficiency problems around the world.

碘缺乏曾经是个大问题,随着加碘盐的逐渐普及,使得全球诸多碘缺乏问题得到了改善

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The cause is a genetic difference that they are born with called an ALDH2 deficiency.

VOA: special.2009.05.13

We also will tell about progress against acquired immune deficiency syndrome, better known as AIDS.

VOA: special.2009.12.08

In Japan and South Korea,for example, many people have the deficiency but still drink heavily.

VOA: special.2009.05.13

The more alcohol that people with this deficiency drink, the greater their risk.

VOA: special.2009.05.13

AIDS is short for Acquired Immune Deficiency Syndrome.

VOA: special.2011.06.15

Extreme vitamin D deficiency causes deformities in children and weak bones in adults.

VOA: standard.2010.05.28

Doctors rarely see these conditions. But studies have linked vitamin D deficiency to a number of serious health problems, including heart disease, several types of cancer, osteoporosis,diabetes, Alzheimer's disease and some autoimmune disorders.

VOA: standard.2010.05.28