英语词汇“three-kiloparsec 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	three-kiloparsec arm
释义	three-kiloparsec arm three-kiloparsec arm [′thrē ¦kil·ō¦pär‚sek ′ärm] (astronomy) A region approximately 3 kiloparsecs from the galactic center that displays strong absorption in the 21-centimeter line of atomic hydrogen.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。