单词 | pistol shrimp |
释义 | pistol shrimpnoun Any of various marine shrimps of the families Alpheidae and Crangonidae (infraorder Caridea), having one enlarged chela which can be snapped shut with a loud concussion used for defence and for stunning prey; also called snapping prawn, snapping shrimp. Origin1930s; earliest use found in American Midland Naturalist. |
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