scanner
US /ˈskæn.ɚ/
UK /ˈskæn.ɚ/

名词
1.
2.
无线电扫描仪, 扫描接收器
a device that scans for radio signals, especially in order to detect police or emergency broadcasts
示例:
•
He had a police scanner in his car.
他的车里有一个警用扫描仪。
•
Firefighters often use portable scanners to monitor emergency frequencies.
消防员经常使用便携式扫描仪来监听紧急频率。
在 Lingoland 学习这个单词