My laboratory is on the third floor of the university.

He is a world-renowned researcher.

He is known as an excellent researcher.

He is my sworn elder brother, always protecting me.

A small hawk often flies in my garden.

My brother greatly respects the princess.

My elder brothers and sisters are very kind.

My older paternal half brother is an important figure to me.

Older brother, what are you doing today?

Where is your elder brother?