名詞 blackboard:

1. sheet of slate; for writing with chalk
   同義詞：chalkboard

1. Who's rubbed my figures off the blackboard?
   誰把我寫在黑板上的數(shù)字擦掉了?
2. The blackboard is in the front of the classroom.
   黑板在教室的前面。
3. Please raise your head and look at the blackboard.
   請?zhí)痤^來，看黑板。
4. The teacher wrote on the blackboard with a piece of chalk.
   老師用一支粉筆在黑板上寫字。
5. The teacher wrote down the new words on the blackboard.
   老師在黑板上寫出新單詞。

black.board

n.（名詞）
A smooth, hard, dark-colored panel for writing on with chalk.
黑板：能用粉筆在其上書寫的光滑、硬質(zhì)、深色的板