单词 | retardation |
释义 | Word Frequency retardation(ˌriːtɑːˈdeɪʃən) or less commonly retardment (rɪˈtɑːdmənt) noun 1. the act of retarding or the state of being retarded 2. something that retards; hindrance 3. the rate of deceleration Derived forms retardative (reˈtardative) or retardatory (reˈtardatory) adjective |
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