unpolluted
US /ˌʌn.pəˈluː.t̬ɪd/
UK /ˌʌn.pəˈluː.t̬ɪd/
형용사
1.
오염되지 않은
not affected by pollution (= damage caused to water, air, etc. by harmful substances or waste):
예시:
•
In areas with unpolluted air, tree branches are often covered with grey, brown and green lichen.
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