Noun:

1. a dangerous area

dangern.【U】危险n.【C】危险物（或人）；威胁danger detection危险检测Danger behaviour危险行为danger situation危险情境danger to somety对社会的危险dangerons goodes危险品danger from fire来自火灾的危险danger evaluation危险性评价danger and threat危险和威胁danger prevention防险danger prediction危险性预测

1. Our forces have been withdraw from the danger area.
   我们的部队已从危险地带撤出。
2. They circumnavigated the danger zone and speeded along.
   他们绕过危险地带疾驶而去。
3. A soldier thrust himself into danger.
   一名战士强行进入危险区。
4. Gas-masks had been issued to everyone before they entered the danger zone.
   在他们进入危险区之前，每人都发了防毒面具。