n.粘合剂，结合剂，黏合剂，活页夹，装订工，装订机，（谷物）割捆机

原形：binder复数：binders

I just bought a new binder to organize my notes for the semester.
我刚买了一个新的活页夹，用来整理我这学期的笔记。
The teacher handed out a binder with each student's name on it.
老师给每个学生发了一个写有他们名字的活页夹。
She uses a colorful binder to highlight important information in her textbooks.
她用一个色彩斑斓的活页夹来标记课本中的重要信息。
The binder was filled with photographs from their trip around the world.
这个活页夹里装满了他们环游世界的照片。
He lost his binder at school, and now he can't find any of his assignments.
他在学校丢了活页夹，现在找不到任何作业了。
The binder has dividers to separate different subjects like math and science.
活页夹里有分隔器，可以区分数学和科学等不同的科目。
A three-ring binder is more durable than a standard folder.
三孔活页夹比标准文件夹更耐用。
The teacher requested that students submit their research papers in a binder with a cover page.
老师要求学生们把研究论文以带有封面的活页夹形式提交。
She organized her study materials in a binder with clear plastic pockets for easy access.
她将学习资料整理在一个透明塑料口袋的活页夹中，方便查阅。
After finishing the project, we bound all the loose pages together with a binder clip.
完成项目后，我们用订书夹把所有散页固定在活页夹里。