单词：retainers
音标：[rɪ'teɪnəz] ；
n. （尤指服务多年的）仆人( retainer的复数形式 ); （为保留租房而付的）租房订金; （聘请律师等的）预付费用; 牙齿固位体
n. a fee charged in advance to retain the services of someone
n. a person working in the service of another (especially in the household)
n. a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
n. a person working in the service of another (especially in the household)
n. a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment