英语词汇“expanding 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	expanding arm
释义	expanding arm expanding arm [ik′spand·iŋ ′ärm] (astronomy) A spiral arm of the Galaxy consisting of neutral hydrogen that lies between 2.5 and 4 kiloparsecs beyond the galactic center and is moving out from it at about 85 miles (135 kilometers) per second.
随便看	itsuku island itsuku-shima itsukushima itsukushima shrine it support "it's us," itsuvo itsv it's very hot it's very kind of you to invite me it's very kind of you to invite us it's very near it-svm itsvoip itsw kaziasker kaziiau ali kazillion kazillions kazi-magomed kazi magomed agasiev kazimeras iono morkunas kazimierz kazimierz adjukiewicz kazimierz ajdukiewicz

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。