An instrument for ascertaining and verifying dimensions, esp. for testing and sorting into trade sizes tools, sheet iron, wire, etc.; an instrument…
A device for testing the size of articles, or for separating them according to size.
Any of various measuring instruments (see quots.).
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。