barrier-layer cell

例句：

1. 1. The barrier-layer cell is a crucial component of the immune system.
   屏障层细胞是免疫系统的关键组成部分。
2. 2. The researcher found that the barrier-layer cell could be used to detect diseases in early stages.
   研究者发现，屏障层细胞可以用来检测疾病在早期阶段。
3. 3. The barrier-layer cell plays an important role in protecting the body from harmful substances.
   屏障层细胞在保护身体免受有害物质侵害方面起着重要作用。