1
decontaminate sth
该词是及物动词，直接接需要清除污染的地点、物品等。
Technicians decontaminated the entire building after the leak.
泄漏事件后，技术人员清除了整栋楼的污染物。
清除污染；净化；去污
先理解核心含义，再看它在真实句子里的用法。
清除污染；净化；去污
To remove harmful contamination from something so that it is safe.
Technicians decontaminated the entire building after the leak.
泄漏事件后，技术人员清除了整栋楼的污染物。
清除(某物)的污染物,使其安全。
To remove contamination from (something), rendering it safe.
decontaminate
Base
原形
decontaminates
3rd person
第三人称单数
decontaminating
-ing
现在分词
decontaminated
Past
过去式
decontaminated
Past participle
过去分词
They decontaminate the equipment after each use.
他们每次使用后都对设备进行净化。
The team decontaminated the area yesterday.
团队昨天对那个区域进行了净化。
We have decontaminated all the surfaces.
我们已经对所有表面进行了净化。
The team worked overnight to decontaminate the laboratory after the chemical spill.
化学物质泄漏后，团队连夜工作来净化实验室。
Workers are decontaminating the equipment with a special solution.
工人们正在用特殊溶液净化设备。
The water must be decontaminated before it is safe to drink.
水必须被净化后才能安全饮用。
该词是及物动词，直接接需要清除污染的地点、物品等。
Technicians decontaminated the entire building after the leak.
泄漏事件后，技术人员清除了整栋楼的污染物。
被动语态强调受污染对象本身，常用于安全规程或操作说明。
The equipment must be decontaminated before reuse.
设备在再次使用前必须清除污染物。
Not this
Decontaminate the water is necessary.
Use this
Decontaminating the water is necessary.
decontaminate 是动词，不能直接用原形作主语；英语中需用动名词 decontaminating 作主语，表示“给水清除污染”。
Not this
Firefighters decontaminated the chemicals from the area.
Use this
Firefighters decontaminated the area.
decontaminate 的宾语是被清除污染的对象（地点或物品），不是污染物本身；若想说“清除化学品”，应用 remove the chemicals from the area。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
给设备去污；清除设备上的污染物
Workers had to decontaminate equipment after the chemical spill.
化学品泄漏后，工人们不得不清除设备上的污染物。
净化该区域；对该区域进行去污
Crews worked overnight to decontaminate the area.
工作人员连夜工作以净化该区域。
净化水源；去除水中的污染物
The filters can decontaminate water enough to make it safe to drink.
这些过滤器可以充分净化水源，使其可以安全饮用。
对物体表面进行去污
Staff regularly decontaminate surfaces to prevent the spread of infection.
工作人员定期对物体表面进行去污，以防感染传播。
清除衣物上的污染物
Rescue teams decontaminated their clothing before leaving the exclusion zone.
救援队在离开隔离区前清除了衣物上的污染物。
Use decontaminate naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想：de-（去除）+ contaminate（污染），就是“去除污染”。想象给受污染的物品彻底清洗，让它恢复安全。
语域：formal 常见场景：hazardous materials cleanup、chemical or biological safety、military or industrial settings 该词多用于正式或专业场合，通常指清除化学、生物或放射性污染物，比较常见于安全规范或技术报告中。
及物动词，后接宾语
Dictionary facts from ECDICT, WIKTIONARY, WORDNET.