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RE: [과학 상식] 콜록콜록 - '황사'의 유래

in #kr-science • 5 years ago

Congratulations @hkkim1030! You received a personal award!

Happy Birthday! - You are on the Steem blockchain for 2 years!

You can view your badges on your Steem Board and compare to others on the Steem Ranking

Vote for @Steemitboard as a witness to get one more award and increased upvotes!
5 years ago in #kr-science by
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