单词
retainer
英 [rɪ'teɪnə] 美[rɪ'tenɚ]
基本信息
  • n. 保持器;家臣;保持者;[机] 护圈;预付费用
TEM8GRE低频词畅通词汇

英英释意

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
retainer相关单词