A property of emitting light for a period of time after the source of excitation is taken away,e.g.,in electrostatic storage tubes and cathode-ray tubes.是什么意思_A property of emitting light for a period of time after the source of excitation is taken away,e.g.,in electrostatic storage tubes and cathode-ray tubes.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句