英语词汇underpin的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

词汇	underpin
词根词缀	Online Etymology Dictionary underpin v. "support or prop," 1520s (figurative); 1530s (literal), from under + pin, v.. Related: Underpinned; underpinning.
随便看	Docetism docile docility docimacy dock docket docksider doct doctor doctoral doctorate Doctor Martens doctrinaire doctrinal doctrine docu- document documental documentary documentation dod- dodder dodec- dodec dodeca-

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