Free fatty acids are used as an energy source in the body.

He understands the meaning of the proverb 'Teaching is half learning', which means that teaching leads to one's own learning.

My friend came from Uttar Pradesh.

My friend is from Uttar Pradesh.

Mr. Sawa visits the nearby marsh on his daily walks.

He can speak Urdu fluently.

The Stegosaurus was a type of dinosaur that had large plate-like bones on its back and spikes on its tail.

The Stegosaurus was a type of dinosaur that had large plate-like bones on its back and spikes on its tail.

Futoshi threw away the garbage.

His actions are showing a portent of danger.