Biomass energy is one of the renewable energy sources.

It is very important to understand the risks of biohazard.

The threat of bioterrorism is a very serious issue for all of us.

Bioterrorism is a serious threat to modern society.

Tsarism was a historical political system in Russia.

He loves rhythm & blues music.

We respect Japanese culture.

We are going on a trip tomorrow.

When I first met her, I introduced myself saying, 'I am Japanese.'

We prioritize customer satisfaction above all else.