保守疗法: co ervative therapyco ervative treatmentconservative therapyconservative treatment
癌: 名词[医学] (恶性肿瘤) cancer; carcinoma 短语和例子皮肤[绒膜]癌 cutaneum [chorionic] carcinoma; 致癌物质 carcinogen; carcinogenic substance; 肝癌 cancer of the liver; 肺癌 cancer of the lung