Will a black chalk chalk on a white blackboard?

黑色的粉笔会在白色的黑板上写字吗?

Compare that to a black chalkboard, which is pretty dark.

拿一块黑板作比较，我们都知道黑板的颜色已经很深。

So let's have a look at the board.

让我们看一下黑板。

Eyes on the board, please? Thank you.

留心看黑板，谢谢。

Mommy will write the words on the blackboard.

妈妈会在黑板上写下这个单词。

Why don't you solve the equation on the board?

你来解黑板上这个方程好吗？

I don't really learn by just copying off a board.

光从黑板上抄下知识点并不能让我真正学会。

We have up on the board again the scale.

再看看黑板上的阶。

Look at the two pictures on the blackboard.

看黑板上的两幅画。

He is drawing something on the blackboard with a piece of chalk.

他正用粉笔在黑板上画东西。

Please look at the four questions on the blackboard.

请看黑板上的四个问题。

He was writing something on the blackboard.

他当时正在黑板上写东西。

And then, they put their fingers at the top of the black board.

然后把手指放在黑板最上方。

She hates the sound of nails scratching on a chalkboard.

她讨厌指甲刮黑板的声。

John helped his teacher erase the blackboard after class.

约翰下课后帮老师擦黑板。

I wrote down a bunch of ideas on the blackboard.

我在黑板上写一堆点子。

The teacher asked John to answer the question on the board.

老师叫约翰回答黑板上的问题。

And indeed, I put it up on the board.

我把它写在黑板上。

The students are asked write out the answers on the blackboard.

学生被叫去把答案写在黑板上。

OK. Let me clean the board.

好的。我来擦黑板。