He exercises every day to strengthen his tibialis anterior muscle.

She was diagnosed with placenta previa.

The issue of the previa vessel is a very important issue in obstetrics.

He is known as an expert in subcritical nuclear experiments.

The anterior scalene muscle is part of the neck muscles and plays a role in assisting with respiration.

A day without seeing her feels like an eternity of waiting impatiently.

My younger sister caught pertussis.

Today is your special day, happy birthday!

Happy birthday, I hope you have a wonderful day.

The Emperor's Birthday is a national holiday in Japan.