triplicate

1. N-UNCOUNT If something written is in triplicate, there are three copies of it. 一式三份的[usu 'in' N]

Folders, files, and forms in triplicate were strewn across Emily's desk. 艾米麗的書(shū)桌上佈滿了一式三份的文件夾、文件及表格。