单词 | retainer |
释义 | re·tain·er 1 (rĭ-tānər) n. 1. One that retains, as a device, frame, or groove that restrains or guides. 2. Dentistry An appliance used to hold teeth in position after orthodontic treatment. 3. a. An employee, typically a long-term employee. b. A servant or an attendant, especially one in the household of a person of high rank. |
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