您要查找的是不是：
- A sfick of chalk 一支粉笔
- The teacher wrote on the blackboard with a piece of chalk. 老师用一支粉笔在黑板上写字。
- He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
- He took out a piece of chalk and wrote his problem on the blackboard. 他拿出了一支粉笔并在黑板上写下他的问题。
- Our school contracted with the nearest shop for50 boxes of chalk a month. 我们学校同最近的一家商店每月订购50盒粉笔。
- The teacher uses nearly a box of chalk every day. 这个老师每天差不多都要用一盒粉笔。
- Lady: And I want a large box of chalk,too. 女士：我还要一大盒粉笔。
- Can you get a piece of chalk for me, please? 请给我拿支粉笔好吗?
- Go and fetch me a piece of chalk. 给我去拿一支粉笔。
- We also did the experiment using a piece of chalk. 我们还用一支粉笔做了这个实验。
- Please bring him a piece of chalk. 请带一支粉笔给我。
- Can you give me a piece of chalk? 你能给我一支粉笔吗?
- Please give me a piece of chalk. 请给我一支粉笔。
- Lady: And I want a large box of chalk, too. 女士:我还要一大盒粉笔。
- I hate the scrape of chalk on a blackboard. 我讨厌粉笔在黑板上刮的声音。
- 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。
- Don't throw the ends of chalk on the ground. 别把粉笔头扔在地上。
- Under the coat of chalk I recognized him. 透过这层白粉，我还是认出了他。
- This box contains only three sticks of chalk. 盒子里只装有三支粉笔。
- Does this box of chalk belong to you? 这盒粉笔是你的吗?
