contamination

• 名词，指有害物质或杂质的混入，污染某物的行为或受污染的状态。

A noun referring to the presence of an unwanted substance or impurity, the act of making something impure or polluted, or the state of being made impure.

不可数

1. State of being contaminatedB2formal

   The condition of being made impure, unclean, or harmful by contact with a foreign substance.

   污染

   • The contamination of the water supply led to a health crisis.
   • Scientists are monitoring the contamination levels in the soil.
   • The lab tested the samples for any signs of contamination.

   同义词adulterationbefoulmentcorruptiondefilementimpurityinfectionpollutiontaintuncleanness

   反义词cleanlinesspurenesspurity

2. Contaminating substanceB2formal

   A substance that makes something impure or harmful.

   污染物

   • The factory was fined for releasing chemical contaminants into the river.
   • The food was recalled due to bacterial contamination.
   • The air filter removes dust and other contaminants.

   同义词adulterantcontaminantimpuritypoisonpollutanttoxin

3. Act of contaminatingB2formal

   The process of making something impure or polluted, often by introducing unwanted substances or factors.

   污染

   • The contamination of the crime scene compromised the investigation.
   • The accident resulted in the contamination of the surrounding area.
   • Strict protocols are in place to prevent contamination during the experiment.

   同义词adulterationcorruptiondefilementinfectionpoisoningpollution

   反义词cleansingdecontaminationpurificationsterilization