This is the 1386th most frequent Korean word.
실외
"실외" means "outdoors" or "outside."
In this sentence, '실외' is used to indicate the location of exercising outside of buildings, emphasizing the environment.
실외에서 운동을 하면 상쾌함을 느낄 수 있어요.
When you exercise outdoors, you can feel refreshed.
Here, '실외' is referring to the outdoor temperature, comparing environments.
실외 기온은 실내보다 더 낮아요.
The outdoor temperature is lower than the indoor temperature.
In this case, '실외' relates to activities conducted outside, focusing on the context of safety for children.