单词 blackboard 释义 black board, blackboarda. A large wooden board, a tablet of papier-mach, etc., painted black, and used in schools and lecture-rooms to draw or write upon with chalk. Now also used of a similar board in any colour.1823Pillans Contrib....
单词 blackboard 释义 blackboard n (US `chalkboard) dark-coloured board used for writing on with chalk, esp in a school classroom 黑板. 英汉双解词典包含38652条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。 ...