| 释义 |
oil derrick in American Englishnoun "> derrick (sense 2) Examples of 'oil derrick' in a sentenceoil derrick A moving contraption - like a cross between an oil derrick and an organ - stands at the heart of it.This oil is not, however, free-flowing crude of the kind that can be pumped from a below-ground reservoir using oil derricks, or nodding donkeys. |