retainers 是什么意思 retainers 怎么读
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英 [rɪ'teɪnəz]
英 [rɪ'teɪnəz]
美 [rɪ'teɪnəz]
美 [rɪ'teɪnəz]
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保护架, 固位体
retainers的英文翻译是什么意思,词典释义与在线翻译
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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