adj. precancerous
开始食用口嚼烟后，不过几年或几个月就有可能出现癌症前期的身体损害。
Spit tobacco can take its toll much faster than it hit me—precancerous lesions can appear in years or even months.
普斯泰博士将转基因土豆喂食给老鼠时，它们产生了潜在癌症前期的细胞生长，免疫系统遭到破坏，主要器官生长受阻。
When Pusztai fed GM potatoes to rats, however, they developed potentially pre-cancerous cell growth, a damaged immune system, and inhibited growth of major organs.
其它研究则发现，饮水越多，出现具有癌症前期特征的结肠息肉的机率就越小。
Other studies have found that the more water subjects drank, the fewer precancerous colon polyps they had.
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