downhole / ˈdaʊnˌhoʊl /

🎓大学词汇井下井下的井下作业井底

downhole 的 2 个定义

n. 名词 noun
  1. a hole dug or drilled downward, as in a mine or a petroleum or gas well.
adj. 形容词 adjective
  1. occurring or situated in such a hole.