| 单词 | metal detector |
| 释义 | metal detector (once / 27811 pages) n WORD FAMILY metal detector: metal detectors USAGE EXAMPLESThere are law enforcement officers at the doors and metal detectors guarding the place. Washington Times(Dec 31, 2016) With new security put in place, metal detectors and gun lockers, will you ban that practice? Washington Times(Dec 27, 2016) There are metal detectors in malls, outside stores. New York Times(Dec 27, 2016) n detector that gives a signal when it detects the presence of metal; used to detect the presence of stray bits of metal in food products or to find buried metal Hyper detector, sensing element, sensor any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner |
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