Mollusks often have hard shells to protect their soft bodies.

He underwent surgery for esophageal cancer.

His artery appears to be healthy.

I had a quiet meal in the refectory of a Buddhist temple.

By looking at the moving average of stock prices, you can grasp the trend of the market.

He continued hard labour all day long.

I perform work every day.

What is the motive for his actions?

These two circles are concentric.

We all worked together with one heart and mind to make this project a success.