皮肤学者

例句：

1. 1. The scientist studied the skin cells of the new species.
   科学家研究了这种新物种的皮肤细胞。
2. 2. The doctor advised him to keep his skin clean and moisturized.
   医生建议他保持皮肤清洁和滋润。
3. 3. The sun's rays can damage your skin, so it's important to protect it from the sun.
   太阳的光线会伤害你的皮肤，所以保护它免受太阳的伤害是很重要的。