| 单词 | alert security |
| 释义 | alert security Luckily, she managed to get away and alert security. The Sun An exchange of blows followed, forcing the driver to push the emergency button to alert security officers, who broke up the scuffle. Times, Sunday Times The $20 million security contract includes sophisticated video analysis in which computers would alert security personnel to abnormal situations automatically. Retrieved from Wikipedia CC BY-SA 3.0 He did not get in but the noise alerted security guards. Times, Sunday Times He reported an emergency tannoy ringing out at 2am alerting security staff. The Sun |
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