单词 | keysender |
释义 | keysender/ˈkiːsɛndə/Now historical noun 1 Telegraphy. A machine for generating a Morse signal with a single keystroke. rare. 2 Telephony. Especially at a telephone exchange: a mechanical device for establishing connection with a particular telephone by pressing a succession of numbered keys (instead of using a dial). OriginEarly 20th century. From key + sender. |
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