somma

外轮山

发音

UK /ˈsɒm.ə/
US /ˈsɑ.mə/

词形变化

sommas 复数 sommas

释义与例句

n.
  1. 1.

    A volcanic caldera that has been partially filled by a new central cone.

    地质

词源

Named after Mount Somma, a stratovolcano in southern Italy with a summit caldera in which the upper cone of Mount Vesuvius has grown.

来源：wiktionary