retainers

英 [rɪ'teɪnəz] 美 [rɪ'teɪnəz]

• 保护架, 固位体

英英释义

名词 retainer:

1. a fee charged in advance to retain the services of someone

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

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