X字開頭的單詞或詞組
xylyl hydrazineX-ray fluorescencex-ray's photographyxyloquinonexanthochroiaXylosma racemosum O. KuntzeX-ray absorption near edge structurexiphopagusxanthopsinxyphoidX-ray-transmitting glassxanthosine (X,Xao)xanthenyl-carboxylic acidxylotomousxylulokinasexanthofibroma thecocellularex punchx-ray tablexyloidinxanthophoreX-windowxanthoprotein reactionxanthurenic acidxenenexanthophanexiphoidalgiaxylosidoglucosexipho-xanthosarcomaX-ray structure analysisX-ray fluorescence spectrometerxylylolxy recorderxylyl-mercaptanxylyl alcoholxerasiax-bandX.25 networkXanthoxylum ailanthoidesxylostyptic etherxylylaminex-ray tubes