词典词库拼词范例测验

An 测验

EN
一个
    选择每个问题的最合适的答案。
  • 问题 1 :
  • Superoxide dismutase has been localized in the human periodontal ligament, and it may represent an important defense within gingival fibroblasts against superoxide release. 3 Superoxide dismutase, previously known as erythrocuprein (in humans) or hemocuprein (in bovines), exists as a family of metalloproteins and is widely distributed in mammalian tissues.
    1. An
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相关连结:
  1. en Ann
  2. en Ant
  3. en Anu
  4. en Ani
  5. en Andi
资料来源: 维基词典
明确性: 级别 1
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