retainer

听听怎么读

英 [rɪˈteɪnə(r)]

美 [rɪˈtenɚ]

是什么意思

[机]承盘，挡板；家臣，侍从；[牙科]牙架；保持着

变形

复数：retainers

英英释义

retainer[ ri'teinə ]

n.
- a fee charged in advance to retain the services of someone
  同义词：consideration
- a person working in the service of another (especially in the household)
  同义词：servant
- a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment

学习怎么用

词组短语

bearing retainer轴承承托

双语例句

用作名词(n.)

The retainer in his family was very honest.
他家里的那位仆人很诚实。

权威例句

Retainer ring for polishing head
Pinned Retainer Surgical Fasteners, Instruments And Methods For Minimally Invasive Vascular And Endoscopic Surgery
Amino Acid Substitutions in Homologs of the STAY-GREEN Protein Are Responsible for the green-flesh and chlorophyll retainer Mutation...
Resin-bonded inlay retainer prostheses for posterior teeth. A 5-year clinical study
Humidity-Induced Dimensional Changes in Cotton-Phenolic Ball-Bearing Retainer
Suture rings for heart valves
REUSABLE BATTERY INDICATOR WITH ELECTRICAL LOCK AND KEY
An- und Auslaufvorgänge von periodisch erregten Systemen
AN IMPROVED INTERSTITIAL WATER SAMPLER
Fuel supply system for direct injection system for engines

同义词

maintainer

同根词

retain

r开头的单词