shale pit

名词 n.

英文释义

名词 n.
  1. A quarry or mine where shale rock is mined.
    — While shale pits and their ancillary undertakings are being run down, and some finally closed, the Winchburgh oil factory is still in operation, with its own surface rail system bringing in shale from neighbouring pits.

词形变化

shale pits plural
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