光谱图 Traditional 光譜圖 guāng pǔ tú 🔊 spectrogram + Review this word Meanings guāng pǔ tú 光譜圖 spectrogram Its characters 光guānglight; ray (CL:道[dao4])HSK 4谱pǔchartHSK 7–9图túdiagramHSK 4