worm chain block

例句：

1. 1.The worm chain block is a crucial component in the process of digestion.
   蠕虫链块是消化过程中的关键成分。
2. 2.The worm chain block was used to prevent the spread of disease.
   蠕虫链块被用来防止疾病的传播。
3. 3. The worm chain block was found to be effective in treating certain types of cancer.
   研究发现蠕虫链块对某些类型的癌症有治疗效果。