| 单词 | callipers | 
| 释义 | Word Frequency callipers(ˈkælɪpəz) or  US calipers plural noun 1.  an instrument for measuring internal or external dimensions, consisting of two steel legs hinged together 2.  a splint consisting of two metal rods with straps attached, for supporting or exerting tension on the leg  | 
	
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