Silkworms are bred for silk production.

He is also using psychological warfare in business.

My key is a very important character.

He blushed, feeling a sense of shame.

I have ultra-high-speed internet at my home.

He played a character who surpasses his own limits.

This mutetrahedron plays a very important role in the world of mathematics.

Carbonated beverages often go well with meals.

I organized the data using a spreadsheet software.

I am majoring in computer science at university.