"This will wedge itself in so tightly and completely block the airway that within minutes, because of lack of oxygen, a child will die."

VOA: standard.2010.02.23

Because of the lack of oxygen getting to the cells, the cells are no longer able to carry on their various metabolic processes.

由于细胞中缺少氧气,所以细胞不能完成,它们的各种新陈代谢活动

耶鲁公开课 - 死亡课程节选

But it lacked financial support. Mary said the lack of support was because of "good men's fear of greatness in women."

VOA: special.2010.06.27

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

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

Debbie Pickford of Allstate Insurance says teens are especially at risk from distracted driving -- and not just because they lack experience on the roads.

VOA: special.2010.07.01

She had missed four games because of extreme lack of physical energy.

VOA: special.2009.03.29

She says it is because of this lack of access the relief efforts have been moving slowly.

VOA: standard.2010.08.02

"All we have been able to do in this area is to rehabilitate shallow wells because of access limitation and lack of funding,".

VOA: standard.2009.10.06

Army Lieutenant Zacharia Davis,a nurse, says it was sometimes difficult to provide help quickly during the exercise, because of a lack of communication among military groups.

VOA: standard.2010.07.21

He says there's another issue. "And 27 percent name Iraq, which they are a little bit unhappy with now because of the instability and lack of government."

VOA: standard.2010.08.06

The former president says that merchants see a bleak economic future for Iran because of rising prices, lack of investment,lower oil revenues and the elimination of price controls.

VOA: standard.2010.07.20

The lack of housing is also a big issue,partly because of the years of conflict, which have not given us a clear idea of how many homes have actually been destroyed in Afghanistan or badly damaged.

VOA: standard.2009.09.13

Although a major oil producer, Iran must import most of its gasoline because of a lack of refining capacity, creating what U.S.lawmakers have long seen as a crucial point of leverage with Tehran over its nuclear program.

VOA: standard.2009.10.28