单词 | θ90555 |
释义 | the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > [noun] > warning arousing the unwary > device for sounding alarm > device warning of fire (6) fire bell1596 fire-drum1739 fire alarm1763 (a) a device or system designed to raise the alarm in the event of a fire, typically by emitting a loud noise; (b) a warning of fire (now rare). fire-roll1830 a drum roll used to raise a fire alarm. thermostat1881 An apparatus which gives notice of undue increase of temperature; an automatic fire-alarm. thermo-call1895 (a) a fire-alarm operated by a thermo-electric battery; (b) an electric fire-alarm in which the circuit is closed automatically when the… |
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