xtra

/ˈekstrə/
As noted, xtra is often used simply as an abbreviation for extra.

noun [专属名词] 字母 X

Great for sore throats also. And the xtra bonus, all natural. 对喉咙痛也无效，而且是全自然的！

xtra

n.电讯术语,字母X

单词造句:

与 “xtra” 相关联的词汇

同音 extra /ˈekstrə/ adv. 特别地，非常；另外;n.群众演员