X字开头的单词或词组
xeraphiumxmaxylene iodidexylochloralxanthochelidonic acidxanthopurpurinxantorubinxenon platinum hexafluoridexenon trioxidexenxiphoid anglesxylopropamineX-ray imagexylosteinX-ray spectrochemical analysisX-reactive dyesxerocopyxylidic acidX thoriumxanthydrylxerographxerusxiphoid ligamentxiphosternal crunchxylideneX-ray equipmentXanthoxylum Gmel.xerosis corneaexylitonexanthopterinXanthium canadensexanthomycinxerographic recordingxiphisternal crunching soundxxiixylene balsamX-ray background radiationxerophagiaXylosma Forst. f.xanthine oxidasexanthomatousxanthonic acid
