The findings may lead scientists to rethink some of their theories about where comets come from and their role in providing some of the essential ingredients for life on Earth.是什么意思_The findings may lead scientists to rethink some of their theories about where comets come from and their role in providing some of the essential ingredients for life on Earth.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句