| 单词 | surveillance system |
| 释义 | surveillance system A measured approach should be taken with any surveillance system. Times, Sunday Times This was just a test of a mass surveillance system. Time Magazine Experts are calling for a national surveillance system to record every health problem associated with the devices amid growing concern over their safety. Times, Sunday Times Fortunately yellow cards are only part of the surveillance system. Times, Sunday Times With the surveillance system, teachers may take a step back. Times, Sunday Times |
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