| 单词 | blue lead | 
| 释义 | blue lead1 of 2noun (1)-ˈlēd   : tertiary gold-bearing gravel deposits of the Sierra Nevada   blue lead2 of 2 noun (2)-ˈled 1   : galena   2   : a slate-gray pigment produced by subliming lead ore with coal or coke and used especially in rust-resistant paints  called also blue basic lead sulfate, sublimed blue lead | 
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