He is immersed in the study of geometrical optics.

Gender identity refers to the gender that each individual recognizes themselves as.

One side of the park was covered with beautiful flowers.

He had to confront his dark side.

He attended the party wearing a mask.

Mr. Menode is my neighbor.

The barn owl is a nocturnal bird, and its beautiful appearance fascinates people.

This mirror has a concave area.

Her eyes and face are very beautiful.

He lied to my face directly.