英语单词分类 轻松记单词

retainers

retainers基本解释

保护架, 固位体

retainers英英释义

名词 retainer:
  • a fee charged in advance to retain the services of someone

  • a person working in the service of another (especially in the household)

  • a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment