a rounded projection or swelling
A rounded projection or swelling;a tubercle. 结节圆形突起或肿胀部分；结节 Labial color is darker, nigrescent reason?
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...在结核菌化验中呈阳性 A rounded projection or swelling;a tubercle.结节圆形突起或肿胀部分;结节 Tuberculosis (TB)： Bacterial disease caused by some species of mycobacterium (tubercle bacillus).
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a rounded projection or swelling
肿胀圆形的突出物或肿块
以上为机器翻译结果，长、整句建议使用 人工翻译 。