danger area的用法和樣例：
例句
- A soldier thrust himself into danger.
一名戰士強行進入危險區。 - Gas-masks had been issued to everyone before they entered the danger zone.
在他們進入危險區之前，每人都發了防毒面具。 - They were a hundred feet clear of the danger zone.
他們離危險區域還有一百英尺遠。 - Vacuum location outside hazardous area or clean room.
吸塵裝置可安置於危險區域以外。
