망고 씨앗 왜 납작 할까?
<iframe width="1280" height="720" src="https://www.youtube.com/embed/qvySXFjVkCA" title="망고 먹고 망고 나무 키우기 (망고 씨앗 발아시키기)" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>