The bright red color indicates areas where Saturn's atmosphere is relatively clear.

明亮的红色显示出土星上大气层状况清晰可辨的区域。

youdao

Bluish color indicates cold syndrome, pain syndrome, blood stasis and infantile convulsion.

青色主寒证、痛证、瘀血和惊风。

youdao

This color indicates that they are relatively cool and dense, compared to the rest of the gas in the nebula.

这个颜色表明与余下的其他星云比起来，温度相对比较低，密度也相对较大。

youdao

And if the tip of the swab changes to a pink or red color, it indicates the presence of lead.

NPR: Do Home Lead-Testing Kits Work?

The alerts are color-coded: Blazing red indicates high risk.

FORBES: CyberSleuth

The pendant's bright gold color, even where it melted, indicates that it was made from high-carat gold, he said.

WSJ: Man hunting for pythons finds mysterious jewelry