Nanotechnology has the potential to greatly change the future of medicine.

He is leading a hedonistic lifestyle.

He is a believer in Tekihon-ism, always thinking from the enemy's perspective.

In order to reduce food waste, we should plan our food consumption.

In the old days, people used to consider milk as an important source of nutrition.

The Earth is our home.

Tom was proud of his knowledge and wisdom.

My father is a doctor.

Daichi is my best friend.

He studies hard every day.