副词

名词

在医院

1. 在户外；在室外；在野外
If something happens outdoors, it happens outside in the fresh air rather than in a building.

2. 户外工作；野外活动；户外休闲
You refer to the outdoors when talking about work or leisure activities which take place outside away from buildings.

1. where the air is unconfined

e.g. he wanted to get outdoors a little
the concert was held in the open air
camping in the open

Synonym: out-of-doorsopen airopen