The development of fusion reactors could potentially be the key to solving future energy problems.

We should always remember the power of Kannon in difficult times.

She is wearing braces.

He is doing special exercises to strengthen the incisivus labii superioris muscle.

She started a special exercise to strengthen the incisivus labii inferioris muscle.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Itsu fled from the police.

Itsumi has injured his shoulder.

We decided to explore the cave.

His heart became empty.