Meteoroids range in size from tiny dust particles to objects tens of metres across.

流星体的尺寸范围从微小的尘粒到横切为数十公尺的物体。

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Their model is the first to include not just collisions between Pluto-sized bodies, but the tiny dust grains as well.

他们的模型不但将冥王星大小的物体之间发生的碰撞包括在内，而且还囊括了微小的尘埃颗粒，这在历史上尚属首次。

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The macrocosm may decompose for tiny dust, tiny dust also can compose the big world, both are an integral whole's at heart.

大世界可分解为微尘，微尘也能合成大千世界，两者在本质上是一体的。

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It gathered dust and tiny meteoroids from the edge of space.

VOA: special.2010.07.07

S. Naipaul, every tiny turbulence of dust betrays a peasant.

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They also conclude that greenhouse warming has partially been offset by the cooling effect of aerosols - tiny particles of dust thrown into the atmosphere that can reflect solar radiation back into space.

BBC: Climate research bolsters 'action' call to UN talks

"A dust-devil looks essentially like what you would expect from the movies - a tiny tornado that is lifting dust, " explained Manuel de la Torre Juarez of Nasa's Jet Propulsion Laboratory (JPL) and a scientist on the Rover Environmental Monitoring Station (Rems) instrument.

BBC: Dust-devils flirt with Curiosity Mars rover