Staphylococcus is a type of bacteria that is commonly found on human skin and in the nose.

His olfactory organ is very sensitive.

He lost his sense of smell due to damage to his olfactory nerve.

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

This factory is our main source of supply.

In the old days, people used to consider milk as an important source of nutrition.

Our opinions differ.

The content of this book is very high quality.

There was a big spider in the corner of the room.

There was a big spider in the corner of the room.