“blue metal”的概念、定义、翻译、参考文献-科学参考

单词	blue metal
释义	blue metal [`blü ´med·ǝl] ^GEOLOGY The common fine-grained blue-gray mudstone which is part of many of the coal beds of England.
随便看	alliance allicin allidochlor alligator alligator clip alligator effect Alligatorinae alligatoring alligator pear oil alligator shears alligator squeezer alligator wrench all-inertial guidance Allium allivalite allo- alloantibody alloantigen allobar allocate allocation allocheiria allochem allochemical metamorphism allochetite

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