chick embryo fibroblast

例句：

1. 1. The chick embryo fibroblasts are used in the production of drugs and vaccines.
   鸡胚纤维细胞用于生产药物和疫苗。
2. 2. The chick embryo fibroblasts are important for understanding the development of the human body.
   鸡胚纤维细胞对于理解人体的发展至关重要。
3. 3. The chick embryo fibroblasts have been used to study the effects of environmental factors on growth and development.
   鸡胚纤维细胞被用来研究环境因素对生长和发展的影响。