1. The filament in the incandescent light bulb incandesces when an electric current passes through it.
白炽灯泡中的灯丝在电流通过时发出光亮。
2. As the metal rod heats up, it begins to incandesce and eventually glows red hot.
随着金属棒加热，它开始发白热，最终变得红热。