chalk的复数？

"Chalk"在英语中有两种形式： chalk 和 chalks。chalk 是单数形式，表示一种粉笔或固体物质；而 chalks 则是复数形式，表示一盒粉笔或一些固体物质。

"Chalk" 在英语中有两种形式： chalk 和 chalks。

Chalk is a single word, referring to a type of black paint or fine powder used for writing on surfaces such as desks and walls. While the plural form of chalk refers to a box of paint or multiple packets of powder.

In your sentence, you've mentioned some expressions that may not be precise or appropriate. To make your statement more impactful, consider using more precise vocabulary and phrases. For example:

- "Someone who writes with a piece of chalk" could be rephrased as "Many individuals utilize chalk in their daily activities."

- "The dust produced by dry cleaning can have adverse effects on one's health."

Again, these suggestions are only suggestions and should not be taken as a substitute for professional language learning knowledge. If you need more advanced help, please feel free to reach out.