Olfactory cells play an important role in allowing us to sense smells.

The smell of this flower is very good.

We regularly conduct training for disaster prevention.

He demonstrated his intelligence and fame in that field.

I felt loneliness from his words.

He worked hard to accomplish his goals.

Olfactory cells play a role in sensing smells in the nose.

His role is the team leader.

Health is very important.

His opinion is very important.