户外

例句：

1. 1. I enjoy going to the park on weekends.
   我喜欢在周末去公园。
2. 2. The hike was challenging but rewarding.
   徒步旅行很有挑战性但很值得。
3. 3. Many people prefer to exercise outdoors instead of in gyms.
   许多人更喜欢在户外锻炼而不是去健身房。