单词：retainer
音标：[ri'teinә] ；
柯林斯词典等级：1 级；
n. 家臣, 侍从, 保持者
[化] 保持器; 定位器; 隔栅; 隔环; 护圈; 止动器; 止动装置
[化] 保持器; 定位器; 隔栅; 隔环; 护圈; 止动器; 止动装置
n. a fee charged in advance to retain the services of someone
n. a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
n. a dental appliance that holds teeth (or a prosthesis) in position after orthodontic treatment
词型变化：名词复数形式 : retainers
考试类型：[GRE]
考试类型：[GRE]
词性分布：
retainer的用法和样例：
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。
词汇搭配
- removable retainer活动保持器
- retainer nut防松螺母
- felt retainer毛毡油封座圈...
- nut retainer螺母栓
- electrode retainer电极护管
- bearing retainer轴承托
- oil retainer护油圈,润滑油保持环...
- retainer seal护圈密封
- valve retainer气门盘,气门座圈...
- spring retainer弹簧限位器
- retainer bar收集器
- retainer belt夹送皮带,保持带...
- feed retainer隔料栅
- retainer ring挡圈
- ball retainer滚珠轴承分离环,球护...
- grease retainer护脂圈,护脂毡圈...
- retainer clip绳夹的夹头,绳夹舌板...
- molybdenum retainer钼隔料网
- retainer pin开口销,固定销...
- retainer screw护圈螺钉
【近义词】
- deposit放置
- down payment分期付款的头款...
- fee费用
- payment支付
- consideration考虑
- servant仆人
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