英语词汇“发现银河系外星”的翻译、意思、用法、释义-英汉汉英词典

单词	发现银河系外星
释义	发现银河系外星phr.Edwin Powell哈勃美国天文学家、河外天文学奠基人，发现银河系外星，还发现星系距离我们越远，远离速率越高，以及宇宙膨胀的速率是一常数[哈勃常数]
随便看	usdea u.s. department of defense u. s. department of homeland security usdhew usdhud usdi usdj usdl us dollar usdt usdv usdv {ultra shallow draught vessel} use useability useable useableness useably use a broad brush use and disuse theory use and occupancy use-and-occupancy insurance use-and-occupancy insurance，business-interruption insurance use and occupancy {= u & o} use and wont use-as-is