un maillot de bains is translated "swimswear" in French.
Un maillot de bain is "a swimsuit".
une salle de bains means a bathroom in French.
mon sac : my bag et de : and of maillot : a sports T-shirt or swimming suit
la salle de bains, la salle de bains familiale, la salle de bains commune.
=> maillots de bain
Un maillot de foot is a football jersey.
"un maillot de bain"
La salle de bain means the bathroom in french. Translated directly, it means the 'the room of baths'.
salle de bains
An undershirt is "un maillot de corps / un maillot", "un T-shirt" (when it has sleeves), or "un marcel" (for a wifebeater) in French.
un maillot de bain
bathroom in French is salle de bains