risk area

例句：

1. 1. The risk areais always full of dangers.
   这个风险区域总是充满了危险。
2. 2. The company has decidedto move its operations to a safer riskarea.
   该公司已决定将其业务转移到一个更安全的风险区域。
3. 3. The risk area was heavilyguarded by the military.
   这个风险区域被军队严密守卫。