X字开头的单词或词组
xylideneX-ray equipmentxanthomatousxgax-ray photographyxerosis corneaexinhua/news/agencyxanthoma disseminatumxylene fluoridexeroradiogrphyxerox data systemX-ray background radiationX-reactive dyesXanthium canadensexerocopyxerosis superficialisxhosaX.25 recommendationXanthoxylum Gmel.xylenol salicylatexylylene glycolx squaredxerophagiaxylobalsamumxylyl bromidexanthogenamidexanthylic acidxerographic materialxerographic recordingxerosis epithelialis conjunctivaexiphisternal crunching soundxylenol-formaldehyde resinXylosma Forst. f.xanthomycinxanthochromic jaundicexanthogenationxdxiphoid ligamentsxxiiixylopininexanthonic acidxenogenous
