1.…it keeps you warm or cool; it prevents your body from losing too much water; it is where you feel cold, heat or pain and it gives you your sense of touch……皮肤能 保暖或御寒，保持体内水分不过多流 失，正是皮肤让你感到冷热和疼痛，皮 肤还使你有触觉。

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