(a) see quot. 1733; (b) a ball of crude oil found in or on the sea.
| 单词 | θ215506 | 
| 释义 | society > occupation and work > materials > raw material > mineral material > mineral oil > 			[noun]		 > ball of on sea-bottom (1)		 tar ball1972 (a) see quot. 1733; (b) a ball of crude oil found in or on the sea.  | 
	
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