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adjective + contaminant
The chemical contaminant was found in the soil.
在土壤中发现了化学污染物。
污染物；沾染物
先理解核心含义，再看它在真实句子里的用法。
污染物；沾染物
a substance that contaminates
The chemical contaminant was found in the soil.
在土壤中发现了化学污染物。
污染物；杂质；异物。
That which contaminates; an impurity; foreign matter.
The lab tested the water for contaminants before declaring it safe to drink.
实验室在宣布水可以安全饮用之前，检测了水中的污染物。
A common contaminant in old paint is lead, which can be harmful.
旧油漆中常见的污染物是铅，它可能有害。
Workers wear masks to keep contaminants out of the clean room.
工人们戴口罩以防止污染物进入洁净室。
The chemical contaminant was found in the soil.
在土壤中发现了化学污染物。
The contaminant enters the water supply through runoff.
污染物通过径流进入供水系统。
We need to remove the contaminant from the drinking water.
我们需要从饮用水中去除污染物。
Air contaminant levels are monitored daily.
每天监测空气污染物水平。
Not this
Chemicals contaminant the soil.
Use this
Chemicals contaminate the soil.
错误地将名词'contaminant'用作动词。应使用动词'contaminate'表示'污染'。
Not this
The contaminant of the river is serious.
Use this
The contamination of the river is serious.
混淆了'contaminant'（具体污染物）和'contamination'（污染状态/过程）。此处应使用抽象名词'contamination'。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
环境污染物
The report identifies major environmental contaminants in the region.
该报告指出了该地区的主要环境污染物。
化学污染物
Chemical contaminants can enter the soil through industrial waste.
化学污染物可通过工业废料进入土壤。
污染物水平
The agency sets limits on contaminant levels in drinking water.
该机构对饮用水中的污染物水平设定了限值。
去除污染物
This filter removes contaminants from the air.
这种过滤器可去除空气中的污染物。
水污染物
Tests detected several water contaminants near the factory.
检测在工厂附近发现了数种水污染物。
Use contaminant naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
联想“contaminate（污染）”+“-ant（……的东西）”：被污染后混入的杂质，就像清水里滴入一滴墨水，那滴墨水就是contaminant。
语域：formal 常见场景：scientific reports、environmental regulations、food safety bulletins contaminant 通常用于正式或科技语境，如环境科学、食品安全和实验室报告；日常口语中较少见，更常用 pollutant 或 impurity。
这些词末尾大多含有 /mɪnənt/（dominant、prominent、imminent、eminent、ruminant），但重音元音不同，所以它们与 contaminant 并不真正押韵；只有 contaminant 的重音在第二个音节 /ˈtæm/。注意 permanent 是形近词，读作 /ˈpɜːrmənənt/，不要读成 /ˈpɜːrmɪnənt/。
Dictionary facts from ECDICT, WIKTIONARY.