名词黑板网络触屏黑板；黑板皮肤；黑板公司
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.
