retainers
英[rɪ'teɪnəz]
美[rɪ'teɪnəz]
- 保护架,固位体
详细释义
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
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