名词
中文翻译：被阻塞的外来物质同义词
同义词：
['occludedsubstance', 'foreign material']
例句：
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1. The chemical reaction was caused by theocclusion of oxygen molecules bya gas.
化学反应是由气体分子阻塞氧气分子引起的。
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2. The scientist discovered an occlused foreign substance in the sample.
科学家在样本中发现了外来物质。
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3. The oilspill has led to theocclusion of marinelife in the affected area.
石油泄漏导致受影响地区的海洋生物被阻塞。