1. 抗維生素一種破壞或抑制維生素的新陳代謝功能的物質(zhì)
   A substance that destroys or inhibits the metabolic action of a vitamin.
2. 對(duì)抗作用一個(gè)生物和另一種生物新陳代謝物之間的對(duì)抗性關(guān)系
   The antagonistic association between an organism and the metabolic substances produced by another.
3. 藥量已被減低到某一水平，既足以對(duì)付受感染的細(xì)胞，又不會(huì)干擾正常的新陳代謝。
   The dosage was geared down to a level which would work on the infected cells but not upset their normal metabolism.
4. 新陳代謝維持生命所必需的，發(fā)生于存活細(xì)胞中或生物體中的物理和化學(xué)過程的總和。在此過程中，一些物質(zhì)被分解從而為生命過程提供能量，而另一些維持生命所必需的物質(zhì)則被合成
   The complex of physical and chemical processes occurring within a living cell or organism that are necessary for the maintenance of life. In metabolism some substances are broken down to yield energy for vital processes while other substances, necessary for life, are synthesized.

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