英文为：blackboard[ˈblækbɔ:d] ；chalkboard[ˈtʃɔ:kbɔ:d] 双语例句：
1. There was a blackboard with seven names chalked on it. 黑板上用粉笔写着7个人名。
2. He wrote a few more notes on the blackboard. 他在黑板上又写了几条注释。
3. With a stick of chalk he wrote her order on a blackboard. 他用一截粉笔将她的指示写在黑板上。
4.Then one morning we were working math problems at the chalkboard.后来有一天早晨,我和玛丽在黑板上写下了数字题目。
5.The map was drawn on chalkboard with ink - markers.那张地图用记号笔画在一块黑板上。
