Hydrogen cyanide is a colorless liquid with a distinctive smell.

This diamond is completely colourless, which is very rare.

This flower is peculiar to this region.

That animal has a peculiar pattern.

This bottle contains an unknown liquid.

This garbage really stinks.

Hydrocyanic acid is a very dangerous chemical.

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

He has a very sharp sense of smell.

Stinky tofu is a famous dish in Taiwan.