X字开头的单词或词组
xanthomatous cirrhosisxenon monohalidexenon tetrafluoridexerxhosaxylene dichlorideX-ray absorptionxanaxxanthodontxiphiasxiphodymusxylenol carboxylic acidxylose clearance testxylidenesxylose isomeraseX-ray fluorescence analysisxanthinoxidasexerosis epithelialis corneaexerosis infantilisxylosuriaxanthinol niacinatexanthosine monophosphatexylosonexylosic acidxylylene bromidexanthine testxeroderma ichthyoticaxyloketosuriaxanthogranulomatosisxiexylene tetrachloridexylene trichloridex squaredxiphodidymusX-ray spectrographxanthiolxylose tolerance testxylylenediaminexlibxyloascorbic acidxylosidexanthoplasty
