Retractable pen
01
伸缩笔, 按动笔
a type of pen with a mechanism that allows the pen tip to retract into the body of the pen, typically activated by clicking a button or pressing a mechanism on the pen
例子
Emily always kept a retractable pen in her bag for jotting down notes on the go without worrying about losing the cap.
Emily总是在她的包里放一支伸缩笔，以便随时记笔记，不用担心丢失笔帽。
During the meeting, Mark used a retractable pen to quickly take notes without fumbling with a cap, maintaining focus on the discussion.
会议期间，马克使用了一支伸缩笔快速做笔记，无需费心笔帽，保持对讨论的专注。
