英语词汇“river rock”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	river rock
释义	river rock noun : a dark variety of phosphate rock obtained from stream beds
随便看	athabaskan athalamous at half-sword athanasian athanasianism at hand athanor athapascan athapaskan athapaskan athar at hazard athbash athecae athecan athecata athecate athecoidea at heel llama llandeilo llandoverian llanero llano llanvirn

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