X字开头的单词或词组
x-wavexylyleneX-ray diffraction analysisxerocotyxylanasexylindeinxerodermaticxerographicX-ray fluorescence anaiysisximenynic acidxenomeniaxanthemiaxysterx-gramX-ray peak broadeningxiphisternal jointsX-ray absorption near edge structurexeroderma pigmentosumx-ray shortx-ray spectroscopyX.25xylographyxanthochromiaxanthene dyestuffsxisx-ray targetxenbucinxanthocytexenophthalmiaX-ray testxylocarpousxenogeneticxerophobiaxy-cut crystalxerotic keratitisxi hyperonX.25 gatewayxylonamideximenic acidxanthenylXylocarpus Koenigxylonite
