cells of superficial layer

例句：

1. 1.The researcher found that the cells of the superficial layer were responsible for the plant's ability to resist disease.
   研究者发现，表层细胞对植物抵抗疾病的能力至关重要。
2. 2. The scientist discovered a new method to extract oil from the superficial layer of the skin.
   科学家发现了一种从皮肤表层提取油的新方法。
3. 3.The engineer designed a machine that could remove the superficial layer of the skin without damaging the underlying tissue.
   工程师设计了一台机器，能够去除皮肤表层而不损害下面的组织。