GbEng
黑板在教室的前面。 The blackboard is in the front of the classroom.
老师在黑板上写出新单词。 The teacher wrote down the new words on the blackboard.
谁把我写在黑板上的数字擦掉了? Who's rubbed my figures off the blackboard?
一条标语在黑板正上方。 A slogan is over the blackboard.