健身馆英语说作gym，写作gymnasium，来源于希腊语"gymnasion"，意思是"体育场所"。

例句1:
I go to the gym three times a week to work out.
（我每周去健身馆三次锻炼身体。）

例句2:
The gym is fully equipped with state-of-the-art exercise machines.
（这个健身馆配备了最先进的健身器材。）

例句3:
I love going to the gym, it makes me feel good both physically and mentally.
（我喜欢去健身馆，它让我身体和精神都感觉很好。）