1. A stratum or level situated far below the surface of something
The deep layers of the ocean contain unique organisms.
As camadas profundas do oceano contêm organismos únicos.
2. In anatomy, tissues or structures located beneath superficial areas
The surgeon had to access the deep layers of muscle tissue.
O cirurgião teve que acessar as camadas profundas do tecido muscular.
3. Figuratively, underlying or hidden aspects of something abstract
Understanding the deep layers of human psychology takes years of study.
Compreender as camadas profundas da psicologia humana leva anos de estudo.