To understand the essence of this song, you need to listen deeply.

He underwent a cerebrospinal fluid test.

He attached a new reflector to his bicycle.

His reflexes are very sharp.

When light hits a mirror, the angle of incidence and the angle of reflection become equal.

He is wearing a jacket with reflective material for night running.

I borrowed a book from the library.

He was an accomplice in the crime.

Because this wall has the property of diffusing, light spreads evenly.

The light diffusely reflected off the wall, making the entire room bright.