scanner
US /ˈskæn.ɚ/
UK /ˈskæn.ɚ/

1.
2.
無線電掃描儀, 掃描接收器
a device that scans for radio signals, especially in order to detect police or emergency broadcasts
:
•
He had a police scanner in his car.
他的車裡有一個警用掃描儀。
•
Firefighters often use portable scanners to monitor emergency frequencies.
消防員經常使用便攜式掃描儀來監聽緊急頻率。