Word便びんせんbinsenMeaningletter paperPart of speechnounPronunciationCourseHardcore JapaneseLessonLesson 52Usages of binsen母はは は きれいな 便びんせん を 半分はんぶん に 折おって、 封筒ふうとう に 入いれました。haha wa kireina binsen o hanbun ni otte, fuutou ni iremashita.My mother folded the nice letter paper in half and put it into an envelope.