noun🔗Share光子，光量子。 The quantum of light and other electromagnetic energy, regarded as a discrete particle having zero rest mass, no electric charge, and an indefinitely long lifetime. It is a gauge boson."Sunlight is made of countless photons, each carrying a tiny amount of energy. "阳光由无数的光子构成，每个光子都携带微量的能量。physicsenergysciencephenomenaChat with AIVocabulary GamePractice Reading
