英语词汇“spiral arm”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	spiral arm
释义	spiral arm noun DEFINITIONS1 1 a region of stars that extends from the centre of a spiral galaxy When we look at the Milky Way in our sky we are looking edgewise down the spiral arm that we live in. Submitted from: United Kingdom on 08/01/2020 Open Dictionary - January2020 Noun☞spiral arm
随便看	periwinkle perjure perjury perk perky perl perm permafrost permalink permanence permanent permanently permanent-press permanent wave permatan permeable permeate permissible permission permissive permit permit me to do something permit of permitry permutation

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