| 单词 | bole | 
| 释义 | bole [bōl]  FORESTRY The main stem of a tree of substantial diameter; capable of yielding timber, veneer logs, and large poles.  GEOLOGY Any of various red, yellow, or brown earthy clays consisting chiefly of hydrous aluminum silicates. Also known as bolus; terra miraculosa.  GRAPHIC ARTS The foundation laid for gold leaf.  | 
	
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