noun 下载 🔗分享 荧光粉，磷光体 Any of various compounds of transition metals or of rare earths that exhibit phosphorescence. Examples : "The old clock used a phosphor on its hands, making them glow in the dark so we could see the time at night. " 这旧钟的指针上涂有一种荧光粉，让它们在黑暗中发光，这样我们晚上就能看清时间了。 compound substance material chemistry physics 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 磷，磷光体 Phosphorus. Examples : "The match head contained red phosphor, which ignited when struck against the rough surface. " 这根火柴头含有红磷，当它在粗糙表面摩擦时就会被点燃。 element substance chemistry material 与AI对话词汇游戏阅读练习
