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BNC: 11944 COCA: 13322

blackboard

Word family
Related topics: Education
black·board /ˈblækbɔːd $ -bɔːrd/ ●●● S3 noun [countableC]  
blackboard.jpg SEa board with a dark smooth surface, used in schools for writing on with chalk 黑板
whiteboard
Examples from the Corpus
black·board noun
Chinese
Syllable
Corpus

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