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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).

Origin

Early 20th century. From key + sender.

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更新时间:2024/11/11 5:52:18