sky
[명사]
the space above the earth where the sun, clouds, stars, and the moon are and we can see them

하늘, 공중
air
[명사]
the mixture of gases in the atmosphere that we breathe

공기, 대기
Ex: air was full of the sound of children 's laughter at the park .
sun
[명사]
the large, bright star in the sky that shines during the day and gives us light and heat

태양, 햇빛

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