| 单词 | smoke alarm | 
| 释义 | > as lemmassmoke alarm   smoke alarm  n. a device that automatically gives a warning of the presence of smoke. ΘΚΠ the world > action or operation > harm or detriment > danger > warning of imminent danger or evil > 			[noun]		 > warning arousing the unwary > device for sounding alarm > of smoke smoke alarm1936 1936    Discovery Nov. 359/2  				A smoke alarm apparatus for the small industrial chimney is also provided. 1977    Chicago Tribune 2 Oct.  xii. 17/9 		(advt.)	  				Full basement, low assoc. fee, central humidifier and smoke alarm. < as lemmas | 
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