| 单词 | warning signal |
| 释义 | warning signal (once / 38752 pages) n WORD FAMILY warning signal: warning signals USAGE EXAMPLESThe music was augmented by steady beeping in A flat — the warning signal of a Transportation Department truck backing up. New York Times(Dec 01, 2016) “The warning signals are getting louder,” said Marcus Carson of the Stockholm Environment Institute and one of the lead authors of the report. The Guardian(Nov 25, 2016) Wednesday’s warning signals a second year of supply disruption along the West Coast for Dungeness because of toxic algae blooms. Washington Times(Nov 23, 2016) n an automatic signal (usually a sound) warning of danger Syn|Hypo|Hyper alarm, alarum, alert torpedo a small explosive device that is placed on a railroad track and fires when a train runs over it; the sound of the explosion warns the engineer of danger ahead air alertthe warning signal that begins a period of preparation for an enemy air attack burglar alarma loud warning signal produced by a burglar alarm fire alarma shout or bell to warn that fire has broken out foghorn, fogsignala loud low warning signal that can be heard by fogbound ships horna noise made by the driver of an automobile to give warning; red flaga flag that serves as a warning signal sirena warning signal that is a loud wailing sound alarm bell, tocsinthe sound of an alarm (usually a bell) sign, signal, signaling any nonverbal action or gesture that encodes a message |
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