X字开头的单词或词组
X-parameterX-ray necrosisxanthorrhizaxtxanthaematinxerodermosteosisxylenesulfonyl chloridexanthene ketonexanthine dehydrogenasexenenthesisX,2-distributionx-ray dectecting devicex-ray sicknessxanthoxylenexenogenous siderosisXerox Network ServicexiphoiditisXanthochymus pictoriusxanthokyanopyxylonic acidx-y switchxeronosusxlphisternumxanthene dyexeranticxerosis cutisxylylene alcoholxenon oxyfluoridexylophagousXMS memoryxylenol resinX-ray absorption analysisxanthene dyesXanthium L.xanthopsisXenopus testxeroradiographyxylene monochloridexanthenolxanthuriaxeraphiumxylene iodide
