He was studying all day.

Please refrain from going out because community-acquired infections are spreading rapidly.

This main road is convenient for commuting.

Day after day, he continued to strive to solve the problem.

Our project is scheduled to be completed on the twentieth day of the month.

Today is my birthday.

He tried to solve the problem all day long.

Our store has a regular day off every Monday.

Anthropozoonosis, or animal-derived infectious diseases, have the potential to spread between humans and animals.

When the sun rises, the world becomes bright.