柯林斯词典tumour /ˈtjuːmə/ (tumours) [英国英语] AM tumor1. N-COUNT A tumour is a mass of diseased or abnormal cells that has grown in a person's or animal's body. 肿瘤 ...a malignant brain tumour. …一个恶性脑瘤。 返回 tumour剑桥词典a mass of diseased cells that might become a lump or cause illness 肿瘤；肿块 They found a malignant tumour in her breast . 他们在她的乳房中发现了一个恶性肿瘤。 a benign tumour 良性肿瘤 a brain tumour 脑瘤 返回 tumour