1. 黑板英语:blackboard发音:英语[bl æ KBɔːd]美[bl æ KBɔːrd]。

2. 词汇搭配:clean a blackboard 擦黑板;at the blackboard在黑板上;on the blackboard在黑板上。

3.常见句型:

下课后她把黑板上的练习题擦掉了。She rubbed the exercises off the blackboard after class.

老师用彩色粉笔在黑板上画出中国的轮廓。The teacher delineated China on the blackboard with a coloured chalk.