A silent cop, also referred to as a "sleeping policeman" or a "traffic dome", is a traffic management device formerly widely used in Australia. Consisting of a metal or concrete dome, about wide and about tall, embedded in the road surface.
网络释义
1、十字路口的交通指挥装
...cop out 逃避（责任）...silent cop 十字路口的交通指挥装...cop a plea 避重就轻地认罪...
短语
专业释义
英英释义
英汉双解大词典
silent cop
1.
N（名词）
a small hemispherical traffic marker at an intersection 沉默警察; 即交叉路口的小半球形交通标志 [AUSTRALIAN][非正式]