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haze; mist; fog; smog
煙霧に包まれて視界が悪くなった。
Visibility worsened as we were enveloped in haze.
朝の煙霧が晴れると山並みが現れた。
When the morning haze cleared, the mountain range appeared.
都市部で発生した煙霧が交通に影響した。
Haze that formed in the urban area affected transportation.