Dragnet
01
拖网, 曳网
a conical fishnet dragged through the water at great depths
02
拉网, 搜捕
a method of searching for and capturing suspects or criminals by systematically covering an area
例子
The authorities implemented a dragnet operation to crack down on illegal drug activity in the city.
当局实施了一次拉网行动以打击城市中的非法毒品活动。
