X字开头的单词或词组
xgaX-reactive dyesxanthemia testxanthine oxidaseXanthium canadenseX-ray proof rubberXanthoxylum Gmel.xeroradiogrphyxylene fluoridexanthoma disseminatumxerosis superficialisX-ray background radiationxiexerographic materialxerosis epithelialis conjunctivaexiamenxanthylic acidxerxerophagiaxiphisternal crunching soundX.25 recommendationxanthomycinxerox data systemXylosma Forst. f.xanthonic acidxerographic recordingxinhua/news/agencyxylobalsamumxanthic amidexanthogenamidexanthogenationxylopininexanthomyelomaXanthopsylla cheopisxenogenousxiphoid appendicesxiphoid ligamentsxylene halidex squaredxanthochromic jaundicexylyl bromidexanthine bodies
