The White Dwarf Star Sytems--The Composite System Compased of the Electron-Positive Energy System and the Helium-Ion-Negative Energy System是什么意思_The White Dwarf Star Sytems--The Composite System Compased of the Electron-Positive Energy System and the Helium-Ion-Negative Energy System在线翻译_英语_读音_用法_例句