zhēn​pí

dermis

真皮 zhēn​pí
dermis noun
the vascular inner layer of the skin located below the epidermis

This microscopic photo clearly shows the structure of the dermis.

genuine leather noun
authentic animal skin used as a material for goods, as opposed to synthetic leather

This jacket is made of genuine leather and feels very soft.

Frequency

Movie subtitles
1.25 per million appears in 1% of films
Written text
7.59 per million

Sources

Definitions
CC-CEDICT