braille marks
常见例句
- Braille worked out a system of marks for mathematics and music.
布莱叶还为数学和音乐研制了一种符号系统。 - Braille printing A form of blind embossing to produce raised round marks which blind people can read by touching.
盲文印刷用素压浮凸的形式，压出凸起的圆点。失明人士可凭触摸而阅读。 返回 braille marks