He is an expert in nuclear physics.

He said 'friend' as a noun ending for me.

Nuclear fission is a powerful process that generates energy.

He composed a fantasia for the piano.

We took a walk in the primeval forest over the weekend.

This word is etymologically derived from Latin.

He is excited to learn a new programming language.

We need to find a new source of supply.

He achieved the Big Three Dragons in mahjong.

Gonogorōemon is a historical name in Japan.