英语词汇“perseus arm”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	perseus arm
释义	Perseus arm Perseus arm See Galaxy. Perseus arm [′pər·sē·əs ‚ärm] (astronomy) A spiral arm of the Milky Way galaxy visible in the constellation Perseus, located (as viewed from the earth) in the direction opposite that of the galactic center.
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Perseus arm