This is the 13165th most frequent Korean word.
두며
"두며" is not a standalone word in Korean; it is likely a form of "두다" (to put/place) combined with "며" (indicating simultaneous actions or listing). It means "putting/placing while..." or "putting/placing and...".
두며 is not used here; '읽으며' is a form which expresses simultaneous actions of reading and listening.
그는 책을 읽으며 음악을 들었습니다.
He read a book while listening to music.
두며 is not used here; '그리며' indicates drawing occurring simultaneously with storytelling.
그림을 그리며 아이들에게 이야기를 들려주었습니다.
She told stories to the children while drawing a picture.
두며 is not specifically utilized; '하며' expresses walking activity happening alongside looking around.