With an infrared telescope, we can peek through the cooler dust in the Elephant Trunk Nebula to reveal the luminous proto stars behind.是什么意思_With an infrared telescope, we can peek through the cooler dust in the Elephant Trunk Nebula to reveal the luminous proto stars behind.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句