a large board with a smooth black or dark green surface that teachers write on with a piece of chalk 黑板 to write on the blackboard 在黑板上写字 Please copy the homework from the blackboard. 请抄下黑板上的家庭作业。
Oxford Collocations Dictionaryverb + blackboard- write on
- cover
- copy from
- …
- at a/the blackboard
- on a/the blackboard