The telecommunications company temporarily ceased operation of waves for maintenance.

The speed of this progressive wave is close to the speed of light.

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.

He was put in prison.