Any mechanism which sounds or signals an alarm, esp. one which is designed to detect a danger, problem, etc., and then call attention to it; a…
| 单词 | θ90552 |
| 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 (19) alarm1663 Any mechanism which sounds or signals an alarm, esp. one which is designed to detect a danger, problem, etc., and then call attention to it; a… Subcategories:— bell (5) — horn (1) — device warning of fire (6) — of smoke (1) — of gas (2) — of excessive temperature (1) — of burglars (2) |
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