am-seok
rock
noun
산 위에는 크고 단단한 암석이 많이 있어요.
There are many large, hard rocks on the mountain.
이 암석은 수백만 년 전에 형성되었어요.
This rock was formed millions of years ago.
Popoling schedules reviews so words actually stick — plus speaking practice and guided conversations.
Start free14 days free. No card, no auto-charge.