柯林斯詞典tumour /?tju?m?/ (tumours) [英國英語] 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. 腫瘤 ...a malignant brain tumour. …一個惡性腦瘤。 返回 tumour劍橋詞典a mass of diseased cells that might become a lump or cause illness 腫瘤；腫塊 They found a malignant tumour in her breast . 他們在她的乳房中發(fā)現(xiàn)了一個惡性腫瘤。 a benign tumour 良性腫瘤 a brain tumour 腦瘤 返回 tumour