Another suggestion is that the color might be related to ice with high levels of metallic compounds, including copper and iron.
另一种说法是，这种颜色可能与冰中含有的大量金属化合物有关，包括铜和铁。
2
This policy has many options to configure various styles such as color, font, alignment, and other aspects related to the look and feel of the aggregator.
此策略有许多选项，可以配置各种样式，例如颜色、字体、对齐方式以及和聚合器的外观相关的其他方面。
3
In Costa Rica, for example, the two most closely related species differ in color: One species is white and the other is yellow.