做gym是什麼意思

例句：

The commons is next to the gym.

學生公共食堂在體育館的旁邊。

I was in the gym lifting weights.

我正在健身房舉啞鈴。

The school has recently built a new gym.

學校最近新建了一個體育館。

I just joined a gym.

我剛加入了健身俱樂部。

I overdid it in the gym and hurt my back.

我在健身房練得過火了，結果弄傷了背。