calcium light

The photographer set up a calcium light behind the camera to soften the shadows.

摄影师在相机后方架起一盏石灰光灯，以柔化阴影。

In the old theater, two calcium lights hung above the stage and cast a warm glow.

在老剧院里，两盏石灰光灯挂在舞台上方，投下温暖的光晕。

The science museum's exhibit explains how a calcium light produces its brilliant white flame.

科学博物馆的展品解释了石灰光灯如何产生耀眼的白色火焰。