Yahoo奇摩字典 網頁搜尋

搜尋結果

  1. serotonin

    • IPA[ˌserəˈtōnən]

    美式

    • n.
      a compound present in blood platelets and serum, which constricts the blood vessels and acts as a neurotransmitter.
    • noun: serotonin, plural noun: serotonins