sa chambre
The boy, the subject named Tetsuo Shima, broke out of his room.
Le garçon, le sujet nommé Tetsuo Shima, s'est échappé de sa chambre.
— Akira (1988)
Sami cleans up his room every evening.
Sami range sa chambre tous les soirs.
His room is twice as large as mine.
Sa chambre est deux fois plus grande que la mienne.