A PAH was added to the subject's cigarettes, which was then modified by the body and turned into another chemical which damages DNA and has been linked with cancer.
研究对象的香烟中添加了一种多环芳烃化合物，该物质进入人体后被转化为另一种破坏dna的致癌化学物质。
2
"In addition, according to the building structure and damages, a large number of people will be injured," he added.
“另外，根据建筑物的结构和毁坏程度，很大一部分人会受伤。”他补充到。
3
Registering a screenplay with the copyright office gives it added protection, helps keep people from stealing your work, and can entitle you to damages and lawyer fees in an infringement case.