X字开头的单词或词组
xiphocostalxylene muskxylidinic acidxylocassiaX-ray spectrometerxanthoxylinxylic acidxylosazonex-ray bathxylorcinolX-ray absorption spectrometryX-ray photometerxanthoma palpebrarumxanthoproteic testxylene chloridexylene dihalidexylographicalxerographic printerxylyl chloridexanthoma planumxanthothricinxanthophosexylite-phthalic resinx-ray illominatorxanthodontousxylene monosulfonic acidX-ray microscopexeroderma of Kaposixanthochroousxanthoma cellsxanthorhamninXanthoxylum schinnifoliumxerocollyriumxylylene glycolxanthopicritexanthydrol reactionxenon tetrafluorideXMS memory lockedX-ray luminescencexanthosis of septum nasixiixanthodont
