如果其相邻树中有至少有一棵树正在燃烧，那么这颗树也会成为一棵燃烧树(红色)。
A tree becomes a burning tree (red) if at least one of its neighbors is burning.
众所周知，拥有红色或黄色色素的赭石岩一直被广泛运用于绘画中，但却少有证据显示它是如何制作并运用的。
It was known that ochre-rock with red or yellow pigments-was used for paint even that far back in history. But there was scant evidence for how it was prepared and handled.
科学家以此显示环绕恒星的目标，并显示此为通常与行星有关的巨大的红色尘环的一部分，这样，它少有可能为一颗矮星。
The scientists used that to show that the object orbited a star and was part of a massive red dust ring which is usually associated with planets - making it less likely to be a dwarf star.
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