X字开头的单词或词组
X-ray absorptionxanthoproteicXMS memory lockedxylenol carboxylic acidx-linkedxanthoproteic testxylotherapyxanthoproteinxanthydrol reactionxenon monohalidexylene monosulfonic acidX-ray fluorescence analysisX-ray luminescencexylidenesxylylchloridexanthocystinexylene tetrachloridexylose clearance testxanthine testxanthomatous cirrhosisxenon tetrafluoridexiphodymusxpmxenoplastic transplantationxenolithsxerosis epithelialis corneaexylylene bromidexylylene dichloridesxerosis infantilisxyloxylose isomerasexanthinoxidasexenicxanthinol niacinatexanthodontxylosic acidxylosuriaxanthoplastyxanthosine monophosphatexyloascorbic acidxenon flash lampxvt
