| 单词 | castor | 
| 释义 | cas·tor 1     (kăstər)n.   1. An oily, brown, odorous substance obtained from glands in the groin of the beaver and used as a perfume fixative.  Also called castoreum.  2. A hat made of beaver fur or an imitation.  3. A heavy wool fabric used especially for overcoats.  [Middle English, from Latin, beaver, from Greek kastōr.]   | 
	
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