볼펜
a pen with a writing point that consists of a small metal ball that rotates in a socket and feeds ink from a reservoir
:
• Please sign the document with a ballpoint pen.
볼펜으로 서류에 서명해주세요.
• I prefer writing with a ballpoint pen over a fountain pen.
만년필보다 볼펜으로 쓰는 것을 선호합니다.