| 单词 | retainer | 
| 释义 | retainerretainer /rɪˈteɪnɚ/ AWL noun [countable] 1an amount of money that is paid to someone, especially a lawyer, for work that he or she is going to do:  He keeps the finest lawyers in the city on retainer.2a plastic and wire object that you wear in your mouth to make your teeth stay straight3old use a servant, especially one who has always worked for a particular person or family  | 
	
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