X字开头的单词或词组
xanthobilirubic acidxanthydrolX-ray fluorescnece analysisxanthochromic jaundicex squaredX-ray diffractometryxanthoproteic reactionxhosaxylographicxcgxdxiphocostalxylographerxyloketoseX-ray photon spectroscopyxanthylicxenoparasitexerophthalmia parenchymatosaXiaoqujiux-ray dermatitisx-ray diffraction cameraxerocollyriumxylic acidxanthic calculusxiphisternalxylenol salicylateX-ray diffraction patternx-ray spectrumxanthoma tuberosumxylidinic acidxylite-phthalic resinxanthematinXanthoxylum piperitumXiphophorus testxylem raysxylenobacillinxylenol-formaldehyde resinx-ray goniometerX-type groovexylyl chlorideX-ray absorption spectrometryX-ray photometer
