Nakaei is my best friend.

My computer is currently under examination.

I go jogging every morning before noon.

He is in the middle of studying for the exam.

Cultural exchange between China and Korea is very important.

Mr. Nakai is my best friend.

He was repressing his emotions.

He is a very greedy person.

The lateral pterygoid muscle is one of the muscles used to open the jaw.

The medial pterygoid muscle is one of the important muscles for moving the jaw.