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词汇 contamination from
例句 There is a danger of serious contamination from radioactive waste.放射性废弃物有可能造成严重污染。Chicken farmers have strengthened biosecurity to prevent contamination from people who have visited live-bird markets.养鸡场农庄主加强了生物安全措施,以防去过活鸟市场的访客身上携带的污染。
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