| 单词 | danger-signal |
| 释义 | > as lemmasdanger-signal danger-signal n. a signal indicating danger; spec. on Railways, a signal (usually the extended arm of a signal-post painted red, or a red light) indicating an obstruction, etc. ahead. ΘΚΠ society > communication > indication > [noun] > an indication or sign > of change or danger danger-signal1848 alarm1948 the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > [noun] > a warning sign, event, etc. watchwordc1475 sea-mark1589 buoya1603 warning sign1628 red light1790 tocsin bell1823 tocsin1842 danger-signal1848 yellow light1940 warning bell1951 amber light1956 society > communication > indication > signalling > [noun] > signal > danger-signal alert1757 red light1790 danger-signal1848 society > travel > rail travel > railway system or organization > [noun] > types of signal system > specific signal red light1790 danger1841 danger-signal1848 line clear1869 highball signal1894 starter1895 red board1903 stop signal1923 identification light1931 1848 Rep. Railway Commissioners App. 84 The pointsman had not then turned the danger signal. 1856 Times 25 Feb. 6/6 Apparently heedless of..the danger signal turned on at the semaphore against the platform of the passenger station, the driver shot past with his train. 1888 ‘J. Shallow’ Templars Trials 71 A danger-signal to Christendom. < as lemmas |
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