您要查找的是不是：
- camphorated chalk 樟脑化白垩
- Shaking will settle the chalk powder down. 晃一晃把粉笔末抖落下来。
- Camphor is used to keep moths away from clothes. 樟脑是用来驱逐衣服上的虫子的。
- The teacher wrote on the blackboard with a piece of chalk. 老师用一支粉笔在黑板上写字。
- The smell of camphor makes me sick. 樟脑的味道使我感到恶心。
- Some of that chalk has rubbed off on your coat. 你的上衣沾上了些粉笔末。
- Dust yourself down you're covered in chalk. 把你自己身上掸掸--上面都是粉笔末。
- We're not beaten yet, (not) by a long chalk. 我们还没有败，远远没败。
- The teacher's chalk grated on the blackboard. 老师的粉笔在黑板上发出刺耳的摩擦声。
- The preparation for his cough included camphor. 为医治他的咳嗽而调制的药中包括樟脑。
- Such a young child does not know chalk from cheese. 这样年幼的孩子是不辨是非的。
- He crushed a piece of chalk to powder. 他将一支粉笔压成粉末。
- They will chalk up your good points. 他们会记下你的优点。
- Tut! I've got some chalk on my coat. 啧!我外套上弄上一些粉笔灰了。
- Chalk this round up to me, please, barman. 服务员，请把这些人的费用记在我的帐上。
- The new teacher really makes the students walk the chalk. 这位新老师真能使学生循规蹈矩。
- You can rub out the chalk marks with the eraser. 你可以用黑板擦把粉笔印擦掉。
- 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。
- To treat or impregnate with camphor. 使与樟脑化合用樟脑处理或渗透
- Such a young child do not know chalk from cheese. 这样年幼的孩子是不辨是非的。
