U. S. and Russian government officials say it is essential they keep some smallpox alive in case a future biological threat demands more tests with the virus.

美国和俄罗斯的官方表示，留存一些天花病毒以进行更多的测试，这对未来应对生物威胁是非常必要的。

youdao

Skyler S. Place, who headed up the study, says that the biological drive behind dating — finding an optimal mate for gene promotion — gives women reason to be elusive.

这项研究的负责人Skyler S. Place认为约会的背后存在着生物学的动机——找到一个能够提高基因质量的合适对象，这给了女人难以捉摸一个理由。

youdao

S. partner in the showcase Nunn-Lugar program, which has sponsored the elimination of a vast amount of former Soviet nuclear and biological weapons and their infrastructure.

此项目已赞助消除了数量巨大的前苏联核生化武器及基础设施。

youdao

The topics discussed at these science cafs are as varied as scientific research itself: from black holes to biological clocks to botany.

VOA: standard.2010.05.04

It's a biological system that you've engineered from taking cells from one organism and cloning them and developing a whole other organism.

所谓生物系统的工程化,就是从一种生物体内中取出细胞并克隆,将它们培养成为另一个有机整体

耶鲁公开课 - 生物医学工程探索课程节选

It's biological engines, right. Things that either produce or consume biological fuel to do different sorts of processes. Also, of course of key importance to understand what the, in that case, biological thermodynamics are.

但不只是我们制造的引擎,生物引擎也是如此,它们产生或消费生物燃料,来完成不同的过程，当然，这也是理解生物热力学的关键所在。

麻省理工公开课 - 热力学与动力学课程节选

With hopes of getting more people up and moving, scientists are looking at the body's biological and chemical processes for clues to understanding what's behind differing attitudes toward exercise.

WSJ: Hard-Wired to Hate Exercise?

Kurzweil's human-machine symbiosis is not a techno-catastrophe but the ultimate liberation from humanity's biological frailties.

CNN: Is AI a threat to humanity?

"I would like to see, particularly team sports, take up the athlete's biological passport, " Fahey said.

CNN: Dopes on the ropes: Can sport ever beat its drug cheats?