名词
中文翻译：Unknown
同义词：
['dangerous area', 'dangerous region', 'dangerous zone']
例句：
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1. The accident occurred in a dangerous zone where the traffic was heavy.
事故发生在一个交通繁忙的危险区。
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2. The research team set up camp in a dangerous zone to study the wildlife.
研究小组在危险区设立营地，以便研究野生动物。
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3.The military had to move out of a dangerous zone due to an impending attack.
由于即将发生攻击，军队不得不撤出危险区。