be essential for

[bi ɪˈsenʃl fɔː(r)]
  • 释义
  • 对…必不可少的;

  • 双语例句
  • 1、

    Chromium has long been known to be essential for proper lipid and carbohydrate metabolism in mammals.

    铬长期被认为是在哺乳动物体内相应的脂类和碳水化合物代谢所必需的.

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