复数： calderas
易混淆的单词： Caldera

The lodgepole pines that dominate the park 's forests are adapted to growing in nutrient-poor soils , like those in the yellowstone caldera .

公园里最多的黑松跟那些生长在破火山口的植物一样，已经适应了在贫瘠的土地上生长。

Later , two smaller eruptive cycles , the last one ending about 70000 years ago , buried much of the caldera under thick lava flows .

后来，两次较小的喷发周期（最后一次大约在7万年前结束）把其破火山口的大部分都埋没在厚厚的熔岩流下了。

Among these is toba caldera , the site of the largest eruption in the past 2.5 million years .

其中的托巴火山（湖）是250万年来，地球上最大的火山爆发的发生地。

A cold-water caldera lake occupies the western half of the summit

而顶峰的西部则为火山湖冷水所覆盖。

Yellowstone lake is one of the largest high-altitude lakes in north america and is centered over the yellowstone caldera , the largest supervolcano on the continent .

黄石湖是北美海拔最高的湖泊之一，而且以该大陆最大的超级火山黄石破火山口为中心。