炸弹爆炸时发出一道黄色的闪光。

The bomb exploded in a ___flash of yellow light.

与此同时，那个未知物体朝我射来一道非常明亮的光！

At the same moment, that piece of unknown stuff sent towards me a ___flash of very bright light!

相机突然的闪光让我一时看不清。

A sudden ___flash of light from the camera blinded me for a moment.