单词	retardation
释义	re·tar·da·tion (rē′tär-dāshən) n. 1. a. The act or process of delaying or impeding. b. The condition of being delayed or impeded. 2. The extent to which something is held back or delayed. 3. Something that retards; a delay or hindrance. 4. Often Offensive Intellectual disability. 5. Music A diminishing of tempo; a retard.
随便看	lorica loricate loricated lorikeet loris lorn Lorrain Lorraine Lorraine Vivian Lorre lorry lory LOS Los Alamos Los Angeles losartan lose lose head lose heart to lose it losel lose-lose lose (one's) head lose one's head lose (one's) heart to

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