Of course. I lift weights in the gym for an hour. I practiced lifting weights in the gym for an hour.

Reading French and English in the gym [dm]? Beauty [dm]

Gym, gym; Sports activities, esp in schools.

phrase

Physical education class hero? Physical education class hero

Gymnastics class physical education class; Physical education class; Fitness class

Sports shoes? Fitness shoes; Sports shoes; Gymnastic shoes; sneaker

Synonym: gym

Read French English in the gym [dm? ne？ Son? m]？ Beauty [dm? ne？ Son? m]

Gymnasium; gymnasium

Lexical collocation:

Tokyo Gymnasium? Tokyo gymnasium

Shanghai gymnasium? Shanghai Gymnasium; Shanghai gymnasium

Usage of words:

Gym as "gym, gym" is an informal usage, and the formal usage should be written as gym.