kettling
noun [ U ] uk/ˈket.əlɪŋ̩/ us/ˈket̬.əlɪŋ̩/
（警察控制大批街头人群的战术）把人群困在一定区域，不让离开
a method of controlling a crowd in which police form lines around the crowd and prevent people from leaving a particular area
英汉双解词典收录81607条英汉双解翻译词条，基本涵盖了全部常用单词的读音、翻译及用法，是英语学习的有利工具。