What they do: Astronomers use their physics and math skills to study the universe and its origin, which includes galaxies, solar systems and the planets within.

他们的工作：天文学家利用他们在物理学和数学方面的能力来研究宇宙和它的起源，包括银河第、太阳系以及其中的行星。

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Biology Specialists in biology study the origin and structure of plant and animal life.

生物学专家研究动植物生命的起源和构造。

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The Austrian team took just ten weeks to produce swine-origin pandemic H1N1 influenza VLPs for immunological study in mice.

这是一种缺少核苷酸的类病毒颗粒，因此这种颗粒是没有感染性的。 这个奥地利团队对小鼠进行免疫研究，仅仅用了10周就成功的生产出甲型H1N1流感病毒样颗粒。

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She became interested in anthropology -- the study of the origin, development and actions of humans.

VOA: special.2009.02.22

The study found that the gap in life expectancy between black and white women of non-Hispanic origin closed to 3.7 years in 2008, down from 4.6 years in 2003.

MSN: Racial gap in life expectancy reaches new low in US