英语词汇“proof-mark”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	proof-mark
释义	proof-mark noun A mark stamped on a firearm to show that it has been satisfactorily tested. Origin Mid 18th century.
随便看	red ptarmigan Red Queen Red Queen hypothesis redraft red rag red ragger red-raggish red rain red raspberry red rattle redraw red reflex red republic red republican red republicanism re-dress redress redressable redressal redresser redressive redressment redress the balance red revolution red rhebok

英语词典包含243303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。

proof-mark