| 单词 | knock-bark | 
| 释义 | > as lemmasknock-bark   knock-bark  n.  Brit. , U.S. Mining ore that has been crushed. ΘΚΠ society > occupation and work > materials > raw material > mineral material > ore > 			[noun]		 > crushed ore knock-bark1653 schlich1677 slick1683 sludge1757 slime1758 pulp1837 debris1871 slum1874 1653    E. Manlove Liberties & Customes Lead-mines Derby 266  				Fell, Bous, and Knock~barke.1747 [see knock-stone n.]. 1828    W. Carr Dial. Craven 		(ed. 2)	  				Knock~bark, ore after it is reduced by the hand or machine. < as lemmas | 
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