I bought a movie ticket using the student discount.

He is an expert in pomology and is researching the cultivation methods of many fruits.

Koma-gaku is one of the traditional music of Japan.

He is enjoying the performance of kudara-gaku.

He is an expert in osteology.

He loves mountains and goes climbing every year.

My major is chemical engineering.

I gave her a birthday gift.

I love stir-fried pork.

What is this object?