[動詞] train muscles
- Many men train their muscles.
Many kinds of fitness exercises can train muscles.
Training muscles can increase muscle strength and endurance.
Mark loves to train muscles.
I see many people training their muscles in the gym.
I think boys should train their muscles.
If you don't train your muscles, you won't look strong.
Training muscles can make you more fit.
I train my muscles and take in balanced nutrition every day.
My brother trains his muscles every day and he looks very strong.