contaminate
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/kənˈtæmɪneɪt/
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/kənˈtæmɪneɪt/
to make something dirty or harmful by adding something bad to it
Chemicals from the factory can contaminate the river water.
工厂的化学品会污染河水。
to harm people's thinking or behavior in a negative way
Bad influences can contaminate young minds with harmful ideas.
不良影响会以有害思想毒害年轻人的思想。