High-value vocabulary
该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
正式地
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正式地；形式上
r. with official authorization；r. in a formal manner
正式地；形式上
r. with official authorization；r. in a formal manner
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该词属于 Oxford 核心词汇，值得优先掌握常见搭配和句型。
Dictionary facts from ECDICT.