There's a blackboard at the front.

前面有一个黑板。

The teacher won't write on a blackboard.

老师不会在黑板上写字。

Teachers won't use chalk on a blackboard.

老师们不会在黑板上用粉笔。

There's a blackboard in Peter's classroom.

彼得的教室里有一个黑板。

A door, three desks, two chairs, a computer, a teacher's desk, a blackboard and a window.

一扇门，三张桌子，两把椅子，一台电脑，一张教师桌，一块黑板和一扇窗。

A door, three chairs, two desks, a blackboard, a computer, a teacher's desk and a window.

一扇门，三把椅子，两张桌子，一块黑板，一台电脑，一张教师桌和一扇窗。

Teachers won't use chalk on a blackboard and students won't use pens and paper, or erasers any more!

老师们将不再用粉笔在黑板上写字，学生们也将不再使用钢笔、纸或橡皮！

There are many desks and chairs and a blackboard in the classroom.

课堂里有很多桌椅和一块黑板。

He showed up at Zeng's home the next day with a blackboard, a ruler and a box of chalks.

第二天，他带着一块黑板、一把尺子和一盒粉笔出现在曾的家中。

It is a tray, a blackboard.

这是一个盘子，一个黑板。