In French, train is a cognate and is said and spelled the same as in English, train.
Train de balle.
lego train de
Maître de train
ou est le train (pronunciation)
The Austin train station is 'la gare d'Austin' in French.
A la gare.
est en train d'explorer
dresser un chien
To say "I am studying" in French, you would say "Je suis en train d'étudier."
the train depot is translated "le dépôt" / or / "la gare de triage" in French.
Le train partit (past tense "passé simple")
You would say "Je suis en train d'apprendre le français" in French.