blue light meaning in English
信号花火。
Examples
- White light minus blue light is yellow or red in hue .
白光中除去蓝光就呈黄色或红色。 - A yellow filter is placed in front of the camera lens to assure that no blue light will be imaged .
为了不使蓝光进入相机而成像，可在相机的透镜前加一黄滤色镜。 - The tone of his voice and the blue light of his eyes were repeated in the girl's fond memory all the time .
他的声调和那蔚蓝发亮的眼睛，总在姑娘甜蜜的记忆中反复出现。 - A blue light appeared in the zenith, and in some indescribable manner flickered down near the top of the rod .
天顶出现了一道兰色的闪电，它以一种不可名状的方式闪烁不定地落到了垛棍顶端的附近。 - Ionized nitrogen molecules issued purple and blue light
电离的氮分子则发出紫蓝色的光。