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Skin
皮肤
Skin fills a lot of important roles in our body.
皮肤在我们的身体中扮演着许多重要的角色。
If we didn'have skin, viruses and bacteria could easily get into our bodies.
如果我们没有皮肤，细菌和病毒能轻易地进入我们体内。
If that happened, these viruses and bacteria could make many diseases in our bodies.
如果发生这种情况，这些细菌和病毒会在我们的体内制造很多疾病。
Skin also stores water and blood in our bodies.
皮肤也能储存体内的水分和血液。
We cannot live without skin.
我们不能没有皮肤。
Therefore, we have to take good care of our skin.
因此，我们必须护理好我们的皮肤。
