LOS ANGELES - Traces of a rocket fuel ingredient found in the Martian soil would not necessarily hinder potential life, mission scientists said Tuesday.是什么意思_LOS ANGELES - Traces of a rocket fuel ingredient found in the Martian soil would not necessarily hinder potential life, mission scientists said Tuesday.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句