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Were the colours made more intense by volcanic dust ?

色彩因火山灰而更强烈了吗？

The colors are a result of volcanic activity .

斑斓的色彩是由火山活动产生。

Occasional volcanic eruptions had layered minerals throughout the outcrops .

间歇的火山爆发使出露岩层的矿物分层。

Plants can return rapidly to areas affected by volcanic eruptions .

植物可以迅速出现在被火山喷发影响的区域。

Gas and steam rise from a volcanic vent in new zealand .

气体和蒸汽从新西兰的火山口升腾而起。