dragnet
n. 拖网；搜索网；收集装置
近义词：trawlnet，search，hunt，pursuit，quest，net，mesh，trap，snare，trawl，
英英释义
Noun
- a system of coordinated measures for apprehending (criminals or other individuals);
"caught in the police dragnet"
- a conical fishnet dragged through the water at great depths
例句
用作名词(n.)
- No charges have been filed, but the dragnet alarmed investors.虽然目前还没有正式的指控，但这样的事件令投资者饱受惊吓。