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caldera是什么意思

caldera

美[kɔːl'dɪərə]  英[kɒl'deərə]
n.  火山口

英英释义

Noun
  1. a large crater caused by the violent explosion of a volcano that collapses into a depression

例句

用作名词(n.)
  1. The mountain is encircled by the doughnut-shaped depression of the caldera.山为环形的破火山口洼地环抱着。
  2. Much of Yellowstone National Park is a giant collapsed volcano, or a caldera.黄石国家公园的大部分地方是一座坍塌的大火山,或是一个喷火山口。
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