-
1. The molecular layer of the skin is very thin and can be easily penetrated by bacteria.
皮肤的分子层非常薄，容易被细菌穿透。
-
2. The molecular layer of the skin contains many different types of cells that help to protectit from damage.
皮肤的分子层包含许多不同类型的细胞，它们有助于保护皮肤免受损伤。
-
3. The molecular layer of the skin is responsible for regulating the amount of water and other substances that are absorbed into the body.
皮肤的分子层负责调节吸收到体内的水分和其他物质的量。