Tumor blood vessels的用法和样例：
例句
- Moderate alcohol intake also caused a noteworthy increase in tumor blood essels compared with no alcohol intake.
适量的酒精摄入和无酒精摄入的对照组相比还有明显的肿瘤血管增生。 - Angiogenin was isolated as a tumor angiogenic factor based solely on its angiogenic activity.
血管生成素基于其促血管发生活性，最早作为肿瘤血管生成因子被分离出来。
