The Sun is the hub of a huge rotating system consisting of nine planets, their satellites, and numerous small bodies, including asteroids, comets, and meteoroids.

太阳是一个巨大的旋转系统的中心，这个旋转系统由九大行星、它们的卫星和无数的小天体组成，包括小行星、彗星和流星体。

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We see these children following grown-ups, carrying bags of belongings almost the same size as their small bodies as they flee their homes in Baghdad.

我们看到这些孩子背着几乎和他们瘦弱的身体一样大的行李，随着大人们逃离他们在巴格达的家。

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In contrast, Earth grew to its full size 50 to 100 million years after the solar system's birth, via collisions with other small bodies in the solar system.

相反，太阳系形成之后，地球经历了五千万到一亿年，通过无数太阳系里小的星体相互碰撞才有了今天的体积。

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He found more than seven hundred small bodies that orbit the sun, called asteroids.

VOA: special.2010.07.11

Climbers often need to lock their bodies to the rock with one small finger hold.

VOA: special.2009.12.09

And then they're relatively small bodies and many of them are extremely well-preserved.

NPR: Stardust Set to Deliver Comet Samples

The researchers say this dust must be coming from collisions among small bodies similar to the comets or icy bodies that make up today's Kuiper Belt objects in our solar system.

MSN: Wild solar system spotted around distant star?

But the forces exerted by objects in the Kuiper belt (a collection of small bodies orbiting the sun beyond the orbit of Pluto), or by the galaxy as a whole, were also far too weak to be responsible.

ECONOMIST: A space oddity