East of Australia, people talk about a "rain of blood". This is caused by a tornado picking up red dust and mixing it with water to make red rain.

在澳大利亚的东部，人们谈论着一种“红雨”，这种红雨就是由龙卷风挟持了红色尘土并将其与水相混而造成的。

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The research developed a set of inertia tornado body to move the bed granular layer dust removal system, introduced this system structure, the principle, the performance and the main parameter.

研究开发一套惯性旋风体逆流式颗粒层除尘系统，介绍该系统的结构、原理、性能及主要参数。

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Muwamba put a bottle of purple star dust and a large bottle of green tornado berry juice on the table and disappeared in another flash of light and a pink cloud of smoke.

Muwamba巫医放了一瓶紫色的星辰和一大瓶绿色旋风浆果汁在桌子上，然后一道闪光，Muwamba巫医消失在一片粉红色的烟雾中。Another long day passed in the cloudy forest。漫长的一天又过去了。

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"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

They don't know for sure, but apparently a mini tornado passed over the rover blowing all the dust away.

NPR: Mars Rover Marks Second Anniversary of Landing