metastasize
🇬🇧/mɪˈtæstəˌsaɪz/ 🇺🇸/məˈtæstəˌsaɪz/
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If cancer cells metastasize, they spread to another part of the body. (癌细胞)扩散
verb [vt. 及物动词] vi. 转移;迁徙
A major reason why many cancers are so dangerous is that they metastasize. 癌症的危险因素主要在于癌细胞转移。