单词	预先掌握
释义	预先掌握 premastery
随便看	thallium carbonate thallium cataract thallium cell dissolved oxygen detector thallium chabazite thalliumchloride thallium chloride Thallium Chloride Injection thallium chlorodibromide thallium cobalt sulfate thallium complex thallium compound Thallium compound thallium compounds thallium compoundsthallic compounds Thallium deposit thallium deposit area thallium detector thallium dibromide thallium dichloride thallium diethyl chloride thallium diethyl hydroxide thallium difluoride thallium diiodide thallium diiodiode thallium dithionate