X字开头的单词或词组
xanthomatosis generalisata ossiumxanthine basesx-gramxerocotyxylyleneX-ray diffraction analysisx-wavexylanasexylindeinxerographicxerodermaticxylographyxysterximenynic acidxanthemiaxenomeniaxeroderma pigmentosumX-ray fluorescence anaiysisX-ray absorption near edge structurexanaduxonxiphisternal jointsX-ray peak broadeningx-ray shortX.25x-ray spectroscopyxanthene dyestuffsxanthochromiax-ray targetxingxanthocytexenophthalmiaxenbucinX-ray testxylocarpousxenogeneticxy-cut crystalxerophobiaxi hyperonxerotic keratitisxylonamideximenic acid
