1. gainful

    /ˈɡeɪnfl/ adj.有利益的,唯利是图的
  2. gainfully

    /ˈɡeɪnfəli/ adv.有利益地,有收入地
  3. gainfulness

    /gainfulnɪs/ n. 收益;唯利是图的;有利益的;
  4. infuse

    /ɪnˈfjuːz/ vt. 使充满;灌输;浸渍
  5. infusion

    /ɪnˈfjuːʒn/ n. 灌输;注入物;浸泡;激励
  6. infusionist

    /ɪn'fjuːʒnɪst/ n.[宗]灵魂投胎论者
  7. painful

    /ˈpeɪnf(ə)l/ adj. 疼痛的;痛苦的;令人不快的
  8. painfully

    /ˈpeɪnfəli/ adv. 痛苦地,费力地
  9. painfulness

    /ˈpeɪnfəlnəs/ n.痛苦