发光强度 Traditional 發光強度 fā guāng qiáng dù 🔊 luminous intensity + Keep this word Meanings fā guāng qiáng dù 發光強度 luminous intensity Its characters 发fāto send outHSK 3光guānglight; ray (CL:道[dao4])HSK 4强qiángstrongHSK 4度dùto passHSK 5