基本解释铍化合物词组短语短语Beryllium and compounds 混合物Beryllium and beryllium compounds 化合物;铍及其化合物Beryllium and -compounds 混合物beryllium & its compounds 从事铍及其化合物Beryllium and Its Compounds 铍及其化合物beryllium compound更多词组专业释义化学铍化合物