He spent the day in a melancholy mood.

He walked around the room melancholically.

He has been melancholy recently and doesn't feel like enjoying anything.

He was walking around the room melancholically.

A Rhus chinensis tree is planted in this garden.

His complexion was expressing depression.

I showed a doubtful expression at his words.

This movie was really depressing.

He is suffering from depression.

This forest is covered with dense trees.