This is the 10695th most frequent Korean word.
굴을
"굴을" is the object form of "굴," meaning "oyster."
Here, '굴을' refers to '굴', meaning 'cave', as a direct object marker in the sentence.
그는 동굴에서 오래 머물렀다.
He stayed in the cave for a long time.
In this sentence, '굴을' represents '굴', meaning 'oysters', as the direct object of the verb '요리해 보다' (to try cooking).
굴을 요리해 본 적이 있나요?
Have you ever tried cooking oysters?
Here, '굴을' denotes '굴', meaning 'cave', and serves as the direct object of the verb '탐험해 보다' (to try exploring).