열고

열고

"열고" means "opening" or "and opens" depending on context.

Here, '열고' is used to indicate the action of opening the door before greeting a friend.

문을 열고 친구를 맞았습니다.

I opened the door and greeted a friend.

In this sentence, '열고' signifies opening the book as the preceding action to studying.

책을 열고 공부를 시작했어요.

I opened the book and started studying.

Here, '열고' represents the action of opening the window before taking in fresh air.

창문을 열고 신선한 공기를 들이마셨습니다.

I opened the window and inhaled fresh air.