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ÁÁÀº ºÎ¸ð¶õ ¹«¾ùÀϱî? ¹Ù¶÷Á÷ÇÑ ºÎ¸ð°¡ µÇ´Â ¹æ¹ý

https://science.ytn.co.kr/program/program_view.php?s_mcd=0082&s_hcd=0020&key=201910301621107622