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Contaminant
01
污染物
a substance or agent that makes something impure or harmful by contact or mixture
例子
The factory's wastewater discharge contained contaminants that posed a threat to the nearby river ecosystem.
Chemical spills in the river introduced harmful contaminants, affecting the aquatic life and downstream communities.
The cleanup crew worked diligently to remove oil spills from the shoreline, preventing further contamination of the beach with harmful contaminants.
The water treatment plant successfully removed contaminants, ensuring the drinking water met safety standards.
Efforts to reduce air pollution focused on limiting emissions from vehicles, a major source of urban contaminants.
