He studies hard every day.

When a baby starts weaning, you begin to give them solid food little by little.

The baby has started to wean.

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

Colonialism continued for a long time until many countries achieved independence.

This nutrient agar contains nutrients that help bacteria grow.

My hometown is a prefecture-level city.

It is said that a ghost is living in this old house.

They launched a surface-to-air missile.

Many large corporations are saving taxes by using tax havens.