Ring binder
01
活页夹, 环扣文件夹
a cover with metal rings inside that pass through the holes of the documents within to hold them together
例子
She organized her study notes in a ring binder with dividers for each subject.
她用带有每个科目分隔物的活页夹整理了学习笔记。
The office supplies store offers a variety of ring binders in different colors and sizes.
办公用品商店提供各种颜色和尺寸的活页夹。
