class mark
noun
A reference mark or number indicating the class or subject of a book in a library and often its position on the library shelves.
Origin
Early 19th century.
| 单词 | class mark |
| 释义 | class marknoun A reference mark or number indicating the class or subject of a book in a library and often its position on the library shelves. Origin |
| 随便看 |
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。