Word · Frequency #28722
carcinogen
致癌物；致癌物质
a substance that produces cancer
- 1.
A substance or agent that can cause cancer.
一种能引起癌症的物质或因子。
- 2.
any substance that produces cancer
任何产生癌症的物质。
一种能引起癌症的物质或因子。；任何产生癌症的物质。；致癌物质；[化] 致癌物
In use
Smoking introduces many carcinogens into the body.
The laboratory is testing whether this chemical is a carcinogen.
Some food additives have been classified as carcinogens.
be a carcinogen
be a carcinogen 用于说明某物质属于致癌物，'known' 可修饰 carcinogen。
This chemical is a known carcinogen.
这种化学品是已知的致癌物。
classify sth as a carcinogen
classify...as a carcinogen 是及物动词搭配，as 后接名词作宾语补足语。
The agency classified the additive as a carcinogen.
该机构将这种添加剂列为致癌物。
be exposed to carcinogens
be exposed to 后接复数 carcinogens，表示被动接触或暴露于致癌物。
Connections
Collocations
- known carcinogen
- 已知致癌物
- Asbestos is a known carcinogen.石棉是已知致癌物。
- suspected carcinogen
- 疑似致癌物
- The additive is a suspected carcinogen.这种添加剂是疑似致癌物。
- carcinogen exposure
- 致癌物暴露
- Long-term carcinogen exposure increases the risk of cancer.长期暴露于致癌物会增加患癌风险。
- contain carcinogens
- 含有致癌物
- Some processed meats contain carcinogens.一些加工肉类含有致癌物。
- classify as a carcinogen
- 列为致癌物
- The agency classified the substance as a carcinogen.该机构将这种物质列为致癌物。
Synonyms
Learner notes
Memory Tip
把 carcinogen 看成 carci-（像 cancer 的开头，联想到癌）+ -gen（生成），联想“生成癌的物质”，即致癌物。
Context & Register
语域：formal 常见场景：医学文献、健康新闻、监管文件 carcinogen 属于正式、书面化的科技词汇，多用于医学、化学或公共卫生等专业场合；日常口语中较少使用。
Pronunciation & Spelling
carcinogen and these -gen words share the unstressed ending /dʒən/, but the stressed vowels differ, so they do not fully rhyme. Genuine full rhymes are rare; treat spellings like hydrogen, oxygen, and nitrogen as useful lookalikes that sound different.
Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.