I am taking medicine for a cold.

When I catch a cold, this medicine works best.

I take medicine every day.

Mineral oil is often used in the manufacture of cosmetics and pharmaceuticals.

He is majoring in mineralogy at university.

He is using that coat from winter to spring.

You need to use your head to solve this problem.

My grandmother always wraps a cloth around her head.

The Jin era was a particularly important period in Chinese history.

Smoking is prohibited in this park.