释义 |
moontype noun Usage: usually capitalized M Etymology: after William Moon died 1894 English inventor : a system of large embossed letters used in printing for the blind and especially for those blinded late in life that requires less finger sensitivity than braille, consists of nine characters derived from Roman capital letters and used in varying position to denote the whole alphabet, and is used with full orthography, the lines being printed alternately from left to right and right to left |