Shogaol is one of the pungent components of ginger.

He likes to take a walk in the park at dusk.

This factory strictly controls the emission of hydrogen sulphide.

I saw a Hachijō blue rock thrush on Hachijō Island.

He turned fifty-six years old.

Isoroku is my best friend and a very kind person.

News came in that an asteroid is approaching Earth.

Hydrogen is the most abundant element in the universe.

Hydrocarbons are fundamental components of organic chemistry.

Lithium hydride plays an important role in chemical reactions.