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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It's probably best to aim for seven hours of quality shut-eye every night, says a new study led by an Indian-origin researcher.

印度科学家的最新研究表明7小时或许是最佳的睡眠时常。

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

VOA: special.2009.02.22

So instead of just studying pathologies whether it's in physical health or psychological health, we should also study the origin of health.

也就是说除了研究病理学,无论是生理健康，还是心理健康，还需要研究健康的起源。

哈佛公开课 - 幸福课课程节选

The study of the origin of dogs remains, in many ways, a puzzling field.

BBC: Dog evolved 'on the waste dump'

NASA's study of NEOs provides important clues to understanding the origin of our solar system.

ENGADGET: PSA: Asteroid 2012 DA14 will pass the Earth at 2:00pm ET Alt

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