Illuminant
01
光源, 照明物
an object or substance that provides light
例子
Solar-powered lanterns are modern illuminants that are both sustainable and portable.
太阳能灯笼是现代照明设备，既可持续又便携。
Candles were the primary illuminants before the invention of electric bulbs.
在电灯泡发明之前，蜡烛是主要的光源。
