Windowed envelope
(重定向自Window envelope)

A windowed envelope is a conventional envelope with a plastic (typically film or BOPS Bi-oriented polystyrene films) window to allow the recipient's address to be printed on the paper contained within.
英汉网英语在线翻译词典收录了3779314条英语词汇在线翻译词条,基本涵盖了全部常用英语词汇的中英文双语翻译及用法,是英语学习的有利工具。