| 单词 | osetra | 
| 释义 | o·se·tra also   os·set·ra    (ō-sĕtrə)n.  Caviar made from the roe of either of two sturgeons, Acipenser gueldenstaedtii or A. persicus of the Caspian and Black Seas, having a yellowish or brownish color and a nutty flavor. [From Russian osëtr, sturgeon (probably in its genitive form osetra), from Old Russian osetrŭ; akin to Old Prussian esketres.]  | 
	
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