X字開頭的單詞或詞組
xanthokyanopyxanthyliumxenon oxyfluoridexeroradiographyxiphoiditisXMS memoryxylochloralxanthuriaxerosis cutisX-ray absorption analysisxeranticX.25 interfacexanthomatosis generalisata ossiumX-ray imagexanthochelidonic acidxylophagousX Windows Protocolxylene monochloridexanthene dyesxerographic recordingxanthydrylxanthopsisxenon platinum hexafluorideXenopus testxiphoid ligamentxerocopyxiphoid anglesxylene iodidexanthenolxiphosternal crunchX-ray background radiationX-reactive dyesxeraphiumxylidenexylidic acidxanthopurpurinxenon trioxideX-ray spectrochemical analysisxylitoneX thoriumxanthine oxidasexerograph