With bright eyes and an engaging smile, he says songs and stories were vital to survival when his family lived in igloos above the Arctic Circle.

VOA: standard.2010.02.19

Nutrition is considered the process, the behavioral process by which people require--acquire nutrients, and use them to promote vital activities.

营养作用就是营养的供给和摄取,也就是人们摄取营养,并将其转化为生命力的行为过程

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So, I mean, they're vital and, you know, to make a virtual character,

所以，我是说，他们很重要，你知道做一个虚拟的人物，

没有特效的话 - SpeakingMax英语口语达人

Raduege says one of his biggest concerns in Houston is the computer-run electronic control system that is vital to energy sector operations the country depends on.

VOA: standard.2009.08.11

He says: It had only been through books, at best no more than vicarious cultural transfusions, that I had managed to keep myself alive in a negatively vital way.

并加以思索，他说，：,“唯有通过读书，这种让文化在我心中产生共鸣的方式,才能维系我生存的勇气。

耶鲁公开课 - 1945年后的美国小说课程节选

Are we doing the right things to succeed as I strongly believe we must?" The prime minister responded by saying Afghanistan is vital to his country's security.

VOA: standard.2009.10.14

Lutzi Matzig, chief operating officer of travel operator Asian Trails, says Thailand began recovering in late 2009, but he says political stability in Thailand is vital to keep the recovery going.

VOA: standard.2010.02.04

Gordon Brown said Trident is vital to Britain's security.

VOA: standard.2010.04.23

In nineteen ninety seven she helped launched the Vital Voices Democracy Initiative to promote the leadership of women as a foreign policy goal.

VOA: special.2011.02.25

She,like visitors to the Rookwood cemetery from other faiths, believes that having a clearly marked, traditional grave is of vital importance.

VOA: standard.2010.07.22

That is our commitment and we will continue." The World Food Program is providing vital food assistance to about across Pakistan.

VOA: standard.2009.10.05

He tells a group of visitors to Northern House that storytelling plays a vital role in the Dene culture.

VOA: standard.2010.02.19

"I want you guys to understand I will never hesitate to use force to protect the American people or our vital interests.

VOA: standard.2009.11.13

But Mr.Singh says for a productive dialogue, it is vital for Pakistan to destroy militant groups, their camps and infrastructure on its soil.

VOA: standard.2009.10.28

The private meeting began with a few public remarks by the president, in which he focused on issues of vital interest to the governors.

VOA: standard.2010.02.22

It's vital that she completes the course of up to two years of pills and injections.

VOA: standard.2010.07.12

Professor Chris Dennis, a respiratory physician, who is chairing the seminar, says international cooperation is a vital ingredient in the fight to conquer swine flu.

VOA: standard.2009.08.25

U.S.Army officers say a language barrier impedes American efforts to impart this vital lesson.

VOA: standard.2009.12.13

And Bolivia,interestingly, is one of the world's largest sources of lithium, which if you think we're all going to drive electric cars, is going to be a vital source."

VOA: standard.2010.04.21

Treasury Secretary Geithner says a jobs bill is vital, as is an overhaul of America's financial regulations to limit risk-taking by the nation's banks and major private financial institutions.

VOA: standard.2010.02.07

And she says while the world is right to be concerned about a possible flu pandemic, it should not let these worries overshadow or interrupt other vital health programs.

VOA: standard.2009.05.18

The high court has also agreed to hear a case involving part of an anti-terrorism law the government says is a vital part of its effort to fight international terrorism.

VOA: standard.2009.10.01

Last week,the Greek Prime Minister called for more solidarity from the European Union over his country's debt crisis and announced plans to visit Germany, whose backing is vital for EU financial aid.

VOA: standard.2010.03.01