| 单词 | dna spray |
| 释义 | DNA sprayDNA sprayA proprietary product containing a non-toxic combination of synthetic DNA and an ultraviolet tracer, used by a range of retail stores as a deterrent against robberies. The spray unit is placed near entrances and deployed by a panic button or alarm, irrefutably linking a person to a particular location. The spray is visible for up to six months. |
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