黑板的用法和樣例：
例句
-
誰(shuí)把我寫(xiě)在黑板上的數字擦掉了？
Who's rubbed my figures off the blackboard? -
黑板在教室的前面。
The blackboard is in the front of the classroom. -
老師在黑板上寫(xiě)出新單詞。
The teacher wrote down the new words on the blackboard. -
請抬起頭來(lái)，看黑板。
Please raise your head and look at the blackboard. -
老師用一支粉筆在黑板上寫(xiě)字。
The teacher wrote on the blackboard with a piece of chalk.
