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derricks是什么意思？

derricks

英['derɪks] 美['derɪks]
例句
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柯林斯高阶英汉双解学习词典释义
  • N-COUNT
    （船舶上用的）吊杆式起货设备
    A derrick is a machine that is used to move cargo on a ship by lifting it in the air.
  • N-COUNT
    (油井上方的)井架，钻塔
    A derrick is a tower built over an oil well which is used to raise and lower the drill.