Usages of la couche
La membrane est composée d'une couche épaisse.
The membrane is composed of a thick layer.
Cette couche est entourée d'une paroi.
This layer is surrounded by a wall.
Chaque couche est revêtue de fibres.
Each layer is coated with fibers.
Elon.io is an online learning platform
We have an entire course teaching French grammar and vocabulary.