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.

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

The baby has started to wean.

He is training his rectus abdominis muscle every day.

He is doing squats to strengthen his rectus femoris muscle.

He is doing special exercises to strengthen his superior rectus muscle.