抗维生素一种破坏或抑制维生素的新陈代谢功能的物质 A substance that destroys or inhibits the metabolic action of a vitamin.
对抗作用一个生物和另一种生物新陈代谢物之间的对抗性关系 The antagonistic association between an organism and the metabolic substances produced by another.
药量已被减低到某一水平，既足以对付受感染的细胞，又不会干扰正常的新陈代谢。 The dosage was geared down to a level which would work on the infected cells but not upset their normal metabolism.
新陈代谢维持生命所必需的，发生于存活细胞中或生物体中的物理和化学过程的总和。在此过程中，一些物质被分解从而为生命过程提供能量，而另一些维持生命所必需的物质则被合成 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.
