( chalkboard, especially in NAmE) VERB + BLACKBOARD | PREPOSITIONVERB + BLACKBOARDwrite on在黑板上写字cover写满黑板◆The blackboard was covered with symbols and equations.黑板上写满了符号和等式。copy from从黑板上抄下来◆Please copy the homework from the blackboard.请抄下黑板上的家庭作业。clean, erase (NAmE) 擦黑板face面对黑板◆She turned to face the blackboard.她转身面向黑板。PREPOSITIONat a/the blackboard在黑板处◆You can't just stand at the blackboard and talk.你不能只是站在黑板那儿讲话。on a/the blackboard在黑板上◆The homework is on the blackboard.家庭作业在黑板上。