| 单词 | caldera |
| 释义 | caldera /kal der"euh, kawl-/, n. a large, basinlike depression resulting from the explosion or collapse of the center of a volcano. [1860-65; < Sp Caldera, name of a crater on Canary Islands, lit., cauldron < LL caldaria, n. use of fem. of caldarius of warming; see CALDARIUM] |
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