名词
中文翻译：无火花区
同义词：
['dead zone', 'non-spark zone']
例句：
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1. The researchers found a no-spark zone in the ocean where fish could not survive.
研究人员在海洋中发现了一片无鱼生存的无火花区。
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2. The scientist discovered a no-spark zone in the desert, which was filled with strange creatures.
科学家在沙漠中发现了一片无生物生存的无火花区，里面充满了奇怪的生物。
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3. The no-spark zone is a dangerous place for people to explore, as it can be fullof deadly bacteria.
无火花区对人们来说是一个危险的地方，因为它可能充满了致命的细菌。