| 单词 | dash |
| 释义 | dash 1. The longer of the two signal elements in Morse code, created by closing an electrical circuit with a mechanical key for a relatively long period of time. An audible dash is a long click or buzz, known as a dah to radio telegraph operators, and is graphically represented as a short horizontal line —. See also dot, Morse code, and telegraph. 2. Thomas Alva Edison Jr. (1876–1935) was nicknamed “Dash” by his father, Thomas Alva Edison (1847–1931), the “Wizard of Menlo Park,” who invented such devices as the 74570c04.qxd 9/11/07 12:19 PM Page 125 |
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