In chemistry class, I learned about anhydrides.

This old book is very valuable because it has been dried out.

After the flood, we dried out the books in the library.

He bent down and went through the tunnel.

I tried to write his name using the character 劳.

He is working hard all day.

This gold nugget is only one ounce.

His clear voice was so clear that everyone could understand his talk.

His voice was clear and resonated throughout the venue.

He said his throat hurts.