"le vélo" (masc.) is tranlated 'the bicycle' in English.
In French, le vélo means cycling or bike riding.
The French word for "the cat" is "le chat."
le pain
(le) bonheur
"le visage" is a French word meaning "the face" in English
le sucre (masc.)le sucre (masc.)
the word 'heart' is translated 'le coeur' in French.
doctor = le médecin
There is no word in French that is "le martin". (Martin is proper name in French as in English, but it does not take an article.) If you meant to ask about "le matin", it means, "the morning".
In French, le thêatre is Drama.
The French simply use the English word--le baseball, with a pronunciation that mimics the English one.
The French word "content / contente" = 'happy'the English word 'content' = "le contenu"