oil shale

名词 n.
中文释义

英文释义

名词 n.
  1. A sedimentary rock containing kerogen from which petroleum-like shale oil can be produced by pyrolysis, hydrogenation, or thermal dissolution. uncountable,usually
    — Up in the mountains along both sides of Parachute Creek the Exxon Corporation and other companies have begun to pour billions of dollars into two huge projects to turn the nation's immense reserves of oil shale into shale oil.

词形变化

oil shales plural
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