adulterating

adj.making impure or corrupt by adding extraneous materials

"the adulterating effect of extraneous materials"

同义词：adulterant

1. The company was fined for adulterating its products with cheap fillers.
   该公司因在产品中掺入劣质填料而被罚款。
2. Adulterating food can pose serious health risks to consumers.
   食品掺假可能对消费者的健康构成严重风险。