| 单词 | blackboard |
| 释义 | blackboard blackboard /ˈblæk.bɔːd/ aep /-bɔːrd/ noun [C] ► A2 a dark surface on a wall or frame that a teacher writes on with chalk (= white substance)Thesaurus+: ↑Paper Thesaurus+: ↑Schools in generalThesaurus+: ↑Paper • • • Extra Examples:» Alice rubbed the blackboard clean for the teacher.» She rubbed the sums off the blackboard for the teacher.» I hate the scrape of chalk on a blackboard.» The lecturer illustrated his point with a diagram on the blackboard.» My daughter has a blackboard in her bedroom. |
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