Someone hit her with a piece of chalk.

有人用粉笔打了她一下。

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

他正用粉笔在黑板上画东西。

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

小男孩用一根粉笔在黑板上画画。

He took a piece of chalk and wrote the word IDIOT on the door in big letters.

他拿出一个粉笔，在门上用大写字母写下傻瓜这个单词。

None of the members of his family had ever seen a slate before, or a piece of chalk.

他的家人中没有谁曾经见到过一块石板，或是一枝粉笔。

She picked up a piece of chalk and made a big A on the blackboard. " Now you try it, Louis! "

她拿起一枝粉笔，在黑板上写了一个大大的“A”。“你来试试，路易斯！”

And my mother is a piece of chalk.

然后我妈是一根粉笔。

Louis grabbed a piece of chalk in his bill and drew a perfect A right under the one the teacher had drawn.

路易斯用嘴叼起一枝粉笔在老师写的那个字母下面写出了一个完美无暇的“A”。

He found the little boy, whose name was Joe, sitting by the table, on which he was making marks with a piece of chalk.

他看到渔夫的儿子——一个名叫乔的小男孩正坐在桌子上，用一支粉笔在上面做记号。

If you pour some water into a little hollow made in a piece of chalk, the water soon runs out, for the chalk is full of tiny holes or pores.

要是在一块白垩石头上挖出一个洞, 把水倒进去, 水很快就会漏光, 因为白垩石头里, 满是小小的洞, 也叫细孔。

Some one took a piece of chalk and scrawled on the side of the train, " We won the war—now we're going home, " and the officers laughed and let it stay.

有人拿起一支粉笔在火车的一侧潦草地写下， “我们赢得了战争——现在我们要回家了， ” 军官们笑了， 让它留下了。