loose-leaf
US /ˈluːs.liːf/
UK /ˈluːs.liːf/

1.
活页的
having individual sheets of paper that are not permanently bound, allowing for easy addition or removal of pages
:
•
She organized her notes in a loose-leaf binder.
她把笔记整理在一个活页夹里。
•
We need to buy some loose-leaf paper for the printer.
我们需要为打印机买一些活页纸。