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单词 sweat
释义
sweat

Biology
  • The salty fluid secreted by the sweat glands onto the surface of the skin. In humans it consists of about 99% water plus minerals (chiefly sodium and chloride ions), lactate, urea, uric acid, and ammonia, among small amounts of other substances. In mammals with sparse body hair the evaporation of sweat from the skin surface and consequent cooling effect is a major mechanism of thermoregulation.


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