Put all the handouts for the course in a binder.把该课程的所有讲义放进活页夹里。They were neatly arranged in loose-leaf folders.它们被整整齐齐地排列在活页夹中。She thumbed through the big loose-leaf binder.她匆匆翻阅那本大活页夹。He picked up one of the leather-bound folders and leafed through it.他拿起其中一本皮面活页夹,翻看起来。