a. located, suited for, or taking place in the open air
a. pertaining to or concerning the outdoors or outdoor activities
a. 户外的, 屋外的, 露天的
1. I love spending time in outdoor parks on weekends.
我喜欢在周末的时候去户外公园消磨时间。
2. We planned an outdoor picnic for our friends this Saturday.
我们为朋友们计划了一个周六的户外野餐。
3. Outdoor activities like hiking and biking are great for your health.
像远足和骑自行车这样的户外活动对你的健康有好处。