基本解釋三氧雜蒽同根派生 trioxanthene相關(guān)詞英漢例句Keywords aromatic aldehyde;pyranone;trioxanthene;crystal structure; 芳醛;6-甲基-4-羥基-2-吡喃酮;三氧雜蒽;晶體結(jié)構(gòu);trioxanthene更多例句