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Rollerball pen
01
a pen that uses a small rotating ball made of steel, carbide, or ceramic to dispense ink as it moves across a writing surface
例子
The office manager provided all employees with rollerball pens for filling out paperwork due to their ease of use and clean writing.
The artist sketched intricate designs with a rollerball pen, appreciating its precise control and fine lines.
Julia preferred using a rollerball pen for note-taking during lectures because of its fluid writing experience.
During the exam, students were required to use black rollerball pens to ensure legibility and uniformity in their responses.
Mark decided to gift his friend a set of colorful rollerball pens for her birthday, knowing she enjoyed writing with vibrant ink.
