X字开头的单词或词组
xi'anxiphocostal ligamentsxanthine dehydrogenaseXanthoceras Bge.xenenthesisxenylaminexerophilousxiphodyniaxiphopagotomyXWindowsxylulosex-ray dectecting deviceX-ray necrosisx-ray thickness gagexanthoglobulinxanthorrhizaxenazoic acidxerosis parenchymatosusxylenesulfonyl chloridexantho-protein reactionXenopsylla brasiliensisx-ray sicknessXanthochymus pictoriusX-ray fault detectorxanthaematinxipamidexylylene alcoholxenon fluoridexeronosusxylonic acidxanthene dyexenogenous siderosisxerodermosteosisxlphisternumxanthoxyleneXanthium L.X,2-distributionxeroformxeromycteriaXerox Network Servicex-y switchxanthene ketone
