X字開頭的單詞或詞組
xerosis superficialisxiphisternalxviiixylic acidxylographerX-ray diffraction patternx-ray spectrumxanthochromic jaundicexanthoma multiplexXanthoxylum piperitumxenoparasiteXiphophorus testxorxylem raysxylorcinolxgaxylocassiaX-ray absorption spectrometryxanthematinxemexylenobacillinX-type groovexenon oxidexiphocostalxyloketosexanthic calculusxanthorhamninxerophthalmia parenchymatosaX-ray spectrometerxanthoma diabeticorumxanthoma palpebrarumxanthosis diabeticaxylene muskxanthopiaX-ray photometerxylidinic acidxanthoxylinxylene dihalidexylenol salicylatexylite-phthalic resinx-ray goniometerxeroderma of Kaposi



















