1. 
[
생활환경
/
saeng-hwal-hwan-gyeong
]
2. 
[
환경오염
/
hwan-gyeong-o-yeom
]
3. 
[
환경
/
hwan-gyeong
]
4. 
[
자연환경
/
ja-yeon-hwan-gyeong
]