英语词汇“underpin”的释义、用法及例句-英汉例句词典-知否

词汇	underpin
例句	verb The report is underpinned by extensive research. 这份报告以广泛的研究为基础。
随便看	quintessential quintessentially quintet quintile quintillion quintuple quintupled quintuples quintupling quip quipped quipping quips quirk quirked quirking quirks quirky quit quite quite a few quite a lot (of something) quite a/the something quite some something quite the contrary

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