1·Think of a simple object—a piece of chalk, for example.
想象一个简单的物体，例如，一支粉笔。
2·The man has me write my name on one shoe with a piece of chalk.
那个男人让我用粉笔把我的名字写在一只鞋上。
3·A piece of chalk can be broken.
一根粉笔可以被破坏。
4·Please give me a piece of chalk.
请给我一只粉笔。
5·Can you give me a piece of chalk?
你能给我一支粉笔吗？
6·Please bring him a piece of chalk.
请带一支粉笔给我。
7·Here's a piece of chalk.
这是一截粉笔。
8·She has a piece of chalk in her hand.
她手里拿着一支粉笔。
9·He crushed a piece of chalk to powder.
他将一支粉笔压成粉末。
10·He filched a piece of chalk from the teacher's desk.
他从老师的书桌上偷取一支粉笔。