单词	telegraphy
释义	telegraphy /tɪˈlɛɡrəfi / noun [mass noun] The science or practice of using or constructing communication systems for the transmission or reproduction of information.Various modes of communication - railroads, telegraphy, telephony, broadcasting - have been enlisted as part of the nation building and cultural identity strategies of successive governments throughout Canadian history.... Samuel Finley Breese Morse invented the Morse system of telegraphy in the 1840s in the United States. Around 1912, Johnson had his first experience with electronics when his half brother, Charlie Nelson, strung lines between two neighborhood houses for Morse telegraphy.
随便看	frabjous frabjously fracas frack fracker fracking fractal fraction fractional fractional distillation fractionalise fractionalization fractionalize fractionally fractionate fractionating column fractionation fractious fractiously fractiousness fracture frae fraenulum fraenum frag

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。