cutis

例句：

1. 1. The scientist studied the structure of the human skin.
   这位科学家研究了人类皮肤的结构。
2. 2. She applied a cream to her cutis to moisturize it.
   她用乳液涂抹在皮肤上以保湿。
3. 3.The doctor advised him to keep his cutis clean and dry.
   医生建议他保持皮肤清洁干燥。