单词 | mineral pitch |
释义 | Definition of mineral pitch in English:mineral pitchnoun
OriginLate 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. Definition of mineral pitch in US English:mineral pitchnoun
OriginLate 18th century; earliest use found in Richard Kirwan (1733–1812), chemist and mineralogist. |
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