X開頭的英語單詞有：Xmas、xylophone、xylitol、xerophyte、xalloy；

1、Xmas　 ；讀音：英 ['kr?sm?s] 美 ['kr?sm?s] 　 ??；n. 圣誕節(jié)；A week intervenes between Xmas and New Year's Day.；圣誕節(jié)與元旦之間相距一周。；

2、xylophone　；讀音：英 ['za?l?f??n] 美 ['za?l?fo?n] 　 　；n. 木琴；Donald is playing the xylophone.；唐老鴨在敲打木琴。；

3、xylitol　；讀音：英 ['za?l?t?l] 美 ['za?l?t?l] 　 ??；n. [化]木糖醇；Fermentative production of xylitol has became a promising process.；介紹了木糖醇的生產(chǎn)方法和生產(chǎn)工藝。；

4、xerophyte??；讀音：英 ['z??r?fa?t] 美 ['z?r??fa?t] 　 　；n. 旱生植物；A xerophyte is a plant which is able to survive in an ecosystem with little available water or moisture.；旱生植物可以在水分極少或濕度極小的生態(tài)環(huán)境中生存。；

5、xalloy??；n.銅鋁合金；The Relation between Xalloy Car Body and Energy Saving；車體鋁合金化與節(jié)約能源的關(guān)系。