means “two” . It is the native Korean number for 2 and is used for counting objects, people, and actions.

Examples of 둘 in sentences:

Counting objects or people:
사과 둘 주세요.Please give me two apples.
친구 둘이 함께 왔어요.Two friends came together.

Talking about choices:
둘 중에 하나 선택하세요.Choose one of the two.
둘 다 좋아요.Both are good.

Using 둘 in daily expressions:
우리는 둘이에요.There are two of us.
둘이서 여행을 갔어요.The two of us went on a trip.