a condition in which cells multiply in a way that is not normal, sometimes leading to cancer or another serious medical problem 发育不良:细胞以不正常的方式繁殖,有时导致癌症或其他严重医学问题的状态 Studies have shown that women who smoke are at increased risk of developing dysplasia, a pre-cancerous condition. 研究表明,吸烟的女性患发育不良(一种癌症前期疾病)的风险增加。