braille marks
常见例句
- Braille worked out a system of marks for mathematics and music.
佈萊葉還爲數學和音樂研制了一種符號系統。 - Braille printing A form of blind embossing to produce raised round marks which blind people can read by touching.
盲文印刷用素壓浮凸的形式，壓出凸起的圓點。失明人士可憑觸摸而閲讀。 返回 braille marks