第三人称单数：blackboards
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3. 七彩网·英语单词大全
一句话解释:黑板名词黑板
1. (名)黑板：blame vt.责备,怪,怨;把...归咎于 n.责任;责备 .. | blackboard (名)黑板 .. | black a.黑(色)的;黑暗的 n.黑(色黑暗;黑人 ..
2. 黑板擦：floor 地板 | blackboard 黑板擦 | computer 计算机
3. 记事板：47.电罗经 Gyro-compass | 48.记事板 Blackboard | 49. 舷侧出入口 Outside doorway
1. 黑板
A blackboard is a dark-coloured board that you can write on with chalk. Blackboards are often used by teachers in the classroom.