荧光yíngguāngfluorescence; fluorescent lightHSK 7-9PronunciationyíngguāngExample sentence这种矿石在紫外线下会发出明亮的荧光。Zhè zhǒng kuàngshí zài zǐwàixiàn xià huì fāchū míngliàng de yíngguāng.This mineral emits bright fluorescence under ultraviolet light.Read and choose an answerOne fixed sampleExplore a sample