Marsh is licensing the patent for a direct-methanol fuel cell developed by the Jet Propulsion Laboratory in Pasadena, Calfifornia.是什么意思_Marsh is licensing the patent for a direct-methanol fuel cell developed by the Jet Propulsion Laboratory in Pasadena, Calfifornia.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句