Will a black chalk chalk on a white blackboard?

黑色的粉笔会在白色的黑上写字吗?

Cackling madly, he soared through the school, upending tables, bursting out of blackboards, toppling statues and vases; twice he shut Mrs Norris inside a suit of armour, from which she was rescued, yowling loudly, by the furious caretaker.

他尖声狂笑着，飞过学校，掀翻桌子，突然从黑里冲出来，像和花瓶；有两回，他把洛丽丝夫人关进了一副盔甲，当狂怒的管理员把它救出来时，它还在大声号叫。

John helped his teacher erase the blackboard after class.

约翰下课后帮老师擦黑。

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

他正用粉笔在黑上画东西。

But there's a real high craft side to giving a beautiful lecture on a blackboard.

但上课时能写出一黑漂亮的书确实需要很高的巧。

Please look at the four questions on the blackboard.

请看黑上的四个问题。

In fact, nails scraping a blackboard was voted the most distressing noise, and I completely agree… Right, let's recap the vocabulary we've learned from this programme on misophonia, starting with trigger, something that causes people to feel emotional distress or fear.

事实上，指甲刮黑的声音被选为最让人难受的噪音，我完全赞同… … 好的，让我们回顾一下我们从本期关于恐音症的节目中学到的词汇，从诱因开始，它会导致人们感受到情绪上的困扰或恐惧。

Now, look at the blackboard, please, and repeat after me.

请同学们现在看黑， 着我念。

He was writing something on the blackboard.

他当时正在黑上写东西。

But there's a real high craft side to getting a beautiful lecture on a blackboard.

但在黑上进行一个漂亮的演讲确实要很高的巧。

I wrote down a bunch of ideas on the blackboard.

我在黑上写了一堆点子。

All right, Louis, you may join the class. Stand right here by the blackboard.

好吧，路易斯，你可以到我这个班来。就站到黑旁边吧。

The little boy drew a picture on the blackboard with a piece of chalk.

小男孩用一根粉笔在黑上画画。

Look at the two pictures on the blackboard.

看黑上的两幅画。

And there's fresh chalk on the blackboard in case of any late-night epiphanies.

黑那里有新粉笔可以记下深夜的灵光一现。

This is a soft substance used for writing on blackboards or for marking surfaces.

这是一种用于在黑上书写或在表面做标记的柔软物质。

While the blackboard helped, he also encouraged other family members to communicate in English.

黑帮助的同时，他也鼓励其他家庭成员用英语交流。

He didn't stop to eat dinner; he didn't stop to sleep, so he worked furiously all night and covered the blackboards in the classroom with equations and numbers, and never realized that time was passing by.

他们有停下来去吃晚饭；他没有停下来去睡觉，他一整晚都兴奋地工作着且在教室的黑上写满了问题和数字，且完全没有意识到时间在流逝。

The master did not laugh, because he never laughs; but he was in a good humor, so that that perpendicular wrinkle hardly ever appeared on his brow; and he explained a problem on the blackboard, and jested.

先生虽是一向没有笑容的人，可是今天也很高兴，额上的皱纹几乎已经看不出了，他就黑上说明算术的时候，还讲着笑话呢。

And there is a near-universal obsession with turning bits of offices into playrooms: brightly coloured furniture, hammocks, blackboards, chairs that are far too low to the ground for adults.

还有几乎所有人都痴迷于将办公室的一小块地方变成游戏室：色彩鲜艳的家具、吊床、黑、对成年人来说过于低矮的椅子。