Rollerball pen
01
롤러볼 펜, 볼펜
a pen that uses a small rotating ball made of steel, carbide, or ceramic to dispense ink as it moves across a writing surface
예시들
During the exam, students were required to use black rollerball pens to ensure legibility and uniformity in their responses.
시험 동안 학생들은 답변의 가독성과 일관성을 보장하기 위해 볼펜을 사용해야 했습니다.
