摩爾斯訊號的短音
Dit \Dit\, n. [{Ditty}.] 1. A word; a decree. [Obs.] 2. A ditty; a song. [Obs.] Dit \Dit\, v. t. [AS. dyttan, akin to Icel. ditta.] To close up. [Obs.] --Dr. H. More.
dit n : the shorter of the two telegraphic signals used in Morse code [syn: {dot}]