But all hope is not gone. Overnight,Tarmo Joveer, an Estonian bodyguard, was pulled alive from the wreckage of the mission's 5-story concrete headquarters.

VOA: standard.2010.01.14

You can keep people alive for many decades with periodic dialysis to remove waste products from the blood.

通过周期性的透析除去血液中的代谢废物,可以使病人寿命延长几十年

耶鲁公开课 - 生物医学工程探索课程节选

By taking cells from the skin, for example, or cells from your blood or cells from the bone marrow and keeping them alive in culture, we've been able to study how human cells work and learn a lot about the functioning of human organism.

举例来说,通过从人的皮肤,骨髓,或者血液中提取细胞,并在培养基中培养,就能研究人类细胞是如何工作的,并在一定程度上了解人类机体的功能

耶鲁公开课 - 生物医学工程探索课程节选

In other words, a person who is suffering from the effects of severe cold may seem dead,but still be alive.

VOA: special.2009.12.30

It is alive with flowers. In the center is a statue with water running from it.

VOA: special.2009.11.16

Oxygen from the lander kept them alive during the long trip back to Earth.

VOA: special.2009.07.29

This new ruler was from Scotland and London was alive with Scottish culture.

VOA: special.2010.01.13

DeAngelis says while 11 million Americans alive today have either survived or are going through treatment, the war on cancer is far from over.

VOA: standard.2010.03.25