勘探

kāntàn
  1. to explore
  2. to survey
  3. to prospect (for oil etc)
  4. prospecting

CEDICT

Entry Composition

1 勘 kān
  1. to investigate
  2. to survey
  3. to collate
2 探 tàn
  1. to explore
  2. to search out
  3. to scout
  4. to visit
  5. to stretch forward