XAC西飞集团XA=Auxiliary Amplifier 辅助放大器xanthocarpus[植]结黄色果实的Xanthopsylla客蚤属xanthoxoline椒吴茱萸灵xanthocillin青黄霉素xanthium oil苍耳子油xanthevodine椒吴茱萸定, 甲氧基吴茱萸黄次碱xanthaematin血黄素xanthromatic黄色的xanthoxylone黄木素xanthene dye吨染料