He is doing a special exercise to strengthen his subscapularis muscle.

The infrahyoid muscle is a part of the neck muscles, and it has the role of pulling the hyoid bone downward.

He is playing the character of Bun.

Infrared astronomy provides a new perspective on understanding the universe.

This problem is difficult.

What does this sentence mean?

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

Did you hear his voice?

I work in the marketing division.

He is truly a person who embodies the saying, 'A man of virtue will naturally attract admirers.'