He bought a new jacket.

My room is on top of the building.

We will make a decision after listening to his opinion.

We conducted a spectral analysis to investigate the spectral characteristics of this substance.

He is majoring in mineralogy at university.

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

It is important to understand the importance of health.

My room is on the second floor, and your room is above mine.

I had a picnic at Ueno Park.

We should consider this problem from the standpoint of students.