1. 止痛剂：anodontia 无齿 | anodyne 止痛剂 | anoesis 纯被动意识

2. 止痛的：anodmia 失嗅症 | anodyne 止痛的 | anodynia 无痛

3. 止痛药：anodontia 无牙 | anodyne 止痛药 | anodynia 无痛

1. 平淡无奇的；四平八稳的；乏味无趣的
    If you describe something as anodyne, you are criticizing it because it has no strong characteristics and is not likely to excite, interest, or upset anyone.

    e.g. Their quarterly meetings were anodyne affairs.
           他们的季度会议乏善可陈。

1. a medicine used to relieve pain

    Synonym: analgesicpainkillerpain pill

1. capable of relieving pain

    e.g. the anodyne properties of certain drugs
           an analgesic effect

    Synonym: analgesicanalgetic