When they detect an extended dry period, they divert their metabolisms, producing sugars and certain stress- associated proteins and other materials in their tissues.
2018年6月六级真题（第一套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
N-VAR
新陈代谢
Your metabolism is the way that chemical processes in your body cause food to be used in an efficient way, for example to make new cells and to give you energy.