破火山口

pòhuǒshānkǒu
  1. (volcanology) caldera
  2. caldera

Wiktionary

Entry Composition

1 破 pò
  1. broken
  2. damaged
  3. worn out
  4. lousy
  5. rotten
  6. to break, split or cleave
  7. to get rid of
  8. to destroy
  9. to break with
  10. to defeat
  11. to capture (a city etc)
  12. to expose the truth of
2 火山口 huǒshānkǒu volcanic crater