英语词汇“countercurrent exchange”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	countercurrent exchange
释义	countercurrent exchange countercurrent exchange a biological mechanism designed to enable maximum exchange between two fluids. The mechanism's effect is dependent on the two fluids flowing in opposite directions, and having a concentration gradient between them. fluid ONE high concentration → low concentration fluid TWO high concentration ← low concentration Such mechanisms occur, for example, in oxygen exchange between water and the blood vessels in fish gills, and in the ascending and descending tubules of the LOOP OF HENLE in the mammalian kidney.
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英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。