The prominent reddish knot near the bottom is 30 Doradus, or the Tarantula Nebula, a giant star-forming region in the Large Magellanic Cloud.是什么意思_The prominent reddish knot near the bottom is 30 Doradus, or the Tarantula Nebula, a giant star-forming region in the Large Magellanic Cloud.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句