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Ingesting benzene can cause vomiting , dizziness and convulsions .

如果人体摄入苯，会导致呕吐，头晕和抽搐现象。

The chemist kekule discovered the ring structure of benzene in a dream .

化学家凯库勒在梦境中就发现了苯的环形结构。

Benzene is a flammable chemical used in the production of paint and cleaning fluids .

苯是一种易燃化学物质，用在涂料和清洁剂的生产中。

In 2006 the company defended itself against claims its products in china contained high levels of benzene , shown to cause cancer .

2006年，该公司针对它在华销售产品中可致癌物苯的含量超标的说法进行了辩护。

Past research has found that burning these materials can produce potentially cancer-causing substances , including benzene and polyaromatic hydrocarbons .

过去的研究发现，燃烧这些物料可能会产生致癌物质，其中包括苯和多环芳烃。