英语词汇“high-velocity cloud”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	high-velocity cloud
释义	high-velocity cloud high-velocity cloud [′hī və′läs·əd·ē ′klau̇d] (astronomy) A rapidly moving interstellar cloud with a radial velocity greater than about 12 miles (20 kilometers) per second, consisting primarily of neutral atomic hydrogen, observed in the ultraviolet.
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