주말에 KTX를 처음 탔어요.On the weekend I rode the KTX for the first time.
KTX는 정말 빨랐어요.The KTX was really fast.
서울에서 대전까지 한 시간쯤 걸렸어요.It took about an hour from Seoul to Daejeon.
기차 안에서 도시락을 먹었어요.I ate a packed lunch on the train.
창밖 풍경이 정말 예뻤어요.The view out of the window was really pretty.