扩散英语怎么读

弥漫、扩散，区别是？

mitochondria 线粒体cytoplasm细胞质 ribonuclei deoxyribonuclei golgi apparatus 高尔基仪器cell sap osmosis反渗透 diffusion 扩散facilitated transport catalyst 催化剂osmoregulator negative feedback mechanism 负反馈机制aveoli villus 绒毛lymph node淋巴结 phatogen就这么些。。。

He/She was diagnosed with a lung cancer and it had spread to his/her cerebellum.1.某人检查出来...这里是指患者被检查出来.2.检查,诊断出某一种病用"diagnose"3 癌细胞已经转移"the cancer spread..."