X字开头的单词或词组
xonx-ray paperxanthomatosis generalisata ossiumX-ray photographx-ray generatorxiphisternal jointsX.25 protocolxanthine basesx-gramxylographyxanthemiaxysterx-wavexylindeinxerocotyximenynic acidxerodermaticX-ray diffraction analysisxeroderma pigmentosumxylanasexerographicX-ray absorption near edge structureX-ray fluorescence anaiysisX-ray peak broadeningxenomeniaxanthochromiaxmmximenic acidx-ray shortx-ray targetxenophthalmiaxanthene dyestuffsX.25xanthocytex-ray spectroscopyX-ray testxylocarpousxylonitexenbucinxerophobiaxy-cut crystalxi hyperon
