The climate is dry and cold, yet the Opportunity rover found itself on the floor of an ancient sea, indicating that the climate used to be very different.是什么意思_The climate is dry and cold, yet the Opportunity rover found itself on the floor of an ancient sea, indicating that the climate used to be very different.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句