X字开头的单词或词组
X thoriumxylene monochlorideX.25 recommendationX-ray imagex-ray photographyxdxgaxhosaxylene fluoridexylidenexerosis corneaeX-ray equipmentxanthoma disseminatumxanthomatousxerosis superficialisxylyl bromidexerocopyxeroradiogrphyxerox data systemx squaredX-ray background radiationX-reactive dyesxylenol salicylatexanthogenamidexerographic materialxerosis epithelialis conjunctivaexxiiixylylene glycolXanthium canadenseXanthoxylum Gmel.xylenol-formaldehyde resinxylobalsamumxanthylic acidxerophagiaxylite-phthalic resinxylopininexanthochromic jaundicexerographic recordingxiphisternal crunching soundXylosma Forst. f.xanthogenationxanthomycin
