| 词汇 | blue copper |
| 释义 | Definition of blue copper in English:blue coppernoun rare
OriginEarly 18th century; earliest use found in John Woodward (d. 1728), physician, natural historian, and antiquary. Definition of blue copper in US English:blue coppernoun rare
OriginEarly 18th century; earliest use found in John Woodward (d. 1728), physician, natural historian, and antiquary. |
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