blackboard
US
UK blackboard n: (school chalkboard)
SC 黑板 hēi bǎn
TC 黑板
TC 黑板
Someone scrawled obscenities all over the blackboard.
chalkboard eraser, blackboard eraser, also UK: chalkboard rubber, board rubber n: (eraser for blackboard)
SC 黑板擦
We slapped the chalkboard erasers together to get rid of the chalk dust.