X字开头的单词或词组
xenon fluorideXenopsylla brasiliensisxipamidexiphoiditisxanthaematinxerodermosteosisxiphocostal ligamentsX-parameterX-ray energy spectrometerxanthopsydraciaxanthorrhizaxylenesulfonyl chlorideX-ray necrosisxanthokyanopyxanthoxylenexenon oxyfluorideXerox Network Servicexylophagousxylylene alcoholxanthine dehydrogenasex-ray dectecting devicexanthene ketonexenenthesisX,2-distributionx-ray sicknessx-y switchxxiiX-ray absorption analysisXanthochymus pictoriusxerosis cutisxylonic acidxeranticxeronosusxlphisternumxylenol resinXanthium L.xanthene dyeXMS memoryxviixanthopsisxenon platinum hexafluorideXenopus test
