Benzene(BZ) is a ubiquitous industrial poison and envirnmental pollutant, which can induce hemopoietic toxicity of bone marrow, severely leukemia, by long-time exposure.

• 苯是一种广泛存在的工业毒物和环境污染物,长期接触后可引起骨髓造血系统的损害,严重时会导致白血病。