Formaldehyde is a suspected carcinogen linked to nasal and lung cancer.
甲醛一直被怀疑是导致鼻癌及肺癌的致癌物质。
According to Pfizer, the questionable batches of Viracept contained an unusually high level of the compound ethyl methanesulfonate, or EMS, a suspected human carcinogen.
据辉瑞公司称，遭质疑的几批奈非那韦的甲基磺酸乙酯或EMS(一种可疑的人类致癌物质)超标。
There is one carcinogen in particular that researchers suspected for years contributed to human lung cancer.
多年以来研究人员猜测，有一种特别的致癌物质是导致人类得肺癌的罪魁祸首。
There is one carcinogen in particular that researchers suspected for years contributed to human lung cancer.
多年以来研究人员猜测，有一种特别的致癌物质是导致人类得肺癌的罪魁祸首。
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