- extra
 - ['ekstrə]
 - adv. 特别地,非常;另外
n. 临时演员;号外;额外的事物;上等产品
adj. 额外的,另外收费的;特大的 
参考例子
           - 1.If you need extra ammo fly over your base and collect it.
 - 如果你需要额外的弹药飞越你的基地,并收集它。
 
- 2.An extra elevator or second bank of elevators must be added.
 - 额外的电梯或第二银行的电梯必须补充的。
 
- 3.We have a teacher at my school who gives us extra lessons sometimes.
 - 我们学校里有名老师有时给我们上一些额外的课程。
 
英文解释
           - n.
 - 1.a minor actor in crowd scenes
 - 2.an additional edition of a newspaper (usually to report a crisis)
 - 3.something additional of the same kind
 
- adj.
 - 1.more than is needed, desired, or required
 - 2.added to a regular schedule
 - 3.further or added
 
- adv.
 - 1.unusually or exceptionally
 
网络释义
               - extra time
 - 加时赛; 额外时间; 加时; 额外的时间;
 
- extra issue
 - (报纸)号外; (报纸)号外; (盻纸)号外;
 
- extra work
 - 加班; 额外工作; 额外作业,额外工作; 额外作业, 额外工作;
 
- Portoro Extra
 - 黑金花; 特级黑金花; 意大利特级黑金花;
 
- EXTRA VIRGIN
 - 特级初榨; 特级初榨橄榄油; 特级橄榄油;