单词	rubbing block
释义	rubbing block noun 1 : an abrasive block that is commonly of sandstone and is used for cleaning, smoothing, or polishing (as marble, building stone, bricks) 2 : the part of an electric railway plow that makes contact with a conductor rail in a conduit Word History First Known Use 1843, in the meaning defined above
随便看	bookrests books books in books into books off bookseller booksellers bookselling booksellings bookshelf bookshelves bookshop bookshops bookstack bookstall bookstalls bookstands bookstore bookstores booksy bookwork bookworks bookworm bookworms booky

英语词典包含469781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。