| 单词 | telegraph key |
| 释义 | telegraph key (once / 67539 pages) n WORD FAMILY telegraph key: telegraph keys USAGE EXAMPLESOne character at a time, the staccato clatter of telegraph keys transmitted to the world the essential facts even before the president had died. Salon(Apr 14, 2015) Ideally, he used a telegraph key operated from his balloon basket, transmitting messages down a 5,000-foot telegraph cable directly to McClellan’s headquarters. Slate(Nov 21, 2013) Newt Spooner saw Major Falkins hurry into the room, through whose open door he could see Private Watson at a telegraph key. Buck, Charles Neville, The Code of the Mountains(2012) n key consisting of a lever that sends a telegraph signal when it is depressed and the circuit is closed Hyper key a lever (as in a keyboard) that actuates a mechanism when depressed |
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