1、The process of neovascularization can occur in various diseases, such as diabetic retinopathy.

新生血管生成过程可以在多种疾病中发生，比如糖尿病视网膜病变。

2、In cancer, neovascularization is a crucial step for tumor growth and metastasis.

在癌症中，新生血管生成是肿瘤生长和转移的关键步骤。