英语词汇“ruby hole”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	ruby hole
释义	ruby hole now historical noun A small hole cut in a piece of ruby, especially in a watch escapement. Origin Mid 18th century.
随便看	iron mole ironmonger ironmongering ironmongery iron monticellite iron mould iron mountain ironness iron-nickel iron oak iron-on iron ordeal iron ore iron oxide iron pan iron period iron-plated iron play iron player iron pyrites iron rations iron-red iron rice bowl iron road ironsand

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。

ruby hole