However, the high content of the water in soil transferred downwards to the bottom of the column easily, it may contaminate ground water in real conditions.
然而，含水率越高，污染物随水份向下迁移越严重，很可能在实际情况中污染地下水。
参考来源 - 汽油污染土壤的物理通风实验室模拟研究Results: The tissue contaminate rate，sampling insufficient rate， abortion rate，postoperative infection rate in TC-CVS group were higher than those in TA-CVS group. The difference of tissue contaminate rate had statistical significance（P＜0.001）.
结果：TC-CVS组的组织污染率、取材不足率、流产率、术后感染率均高于TA-CVS组，其中组织污染率差异有统计学意义（P＜0.001）。
参考来源 - 不同术式绒毛取材在孕早期产前诊断应用中的安全性比较—《中国医药导报》—2008年第18期—龙源期刊网·2,447,543篇论文数据，部分数据来源于NoteExpress
V-T If something is contaminated by dirt, chemicals, or radiation, they make it dirty or harmful. 污染
Have any fish been contaminated in the Arctic Ocean?
北冰洋里有鱼受到污染了吗?
contamination N-UNCOUNT 污染
The contamination of the ocean around Puget Sound may be just the beginning.
普吉特海湾周围海域的污染可能才开始。
It will let us eliminate the risk we would take of contaminating the samples if they were brought back to Earth.
如果他们被带回地球，会使我们消除可能为样品污染而承担的风险。
Answer: the response to an emergency involving radioactivity should be the same as the response to any emergency involving any hazardous material contaminating food.
答：对放射性问题突发事件所作出的应对与对食品受到有害物质污染方面的任何突发事件的应对应当是一致的。
Agricultural chemicals, pesticides, and fertilizers are contaminating our environment, poisoning our precious water supplies, and destroying the value of fertile farmland.
农业化学品、农药、肥料污染了我们的环境，毒化了我们宝贵的饮用水供应，并摧毁了价值肥沃的农田。
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