Surface meteorology is a part of meteorology that studies the interaction between the surface and the atmosphere.

He walked quickly down the corridor.

Rou's smile brightly lit up the room.

The wolf lives alone in the forest.

He was sustaining himself with local cuisine during his trip.

I'm scared of growing old.

He is working all day long.

An old person was walking in the park.

My grandfather is being seen by a specialist in geriatric medicine.

I think waste is an act of economic suicide.