【extra音标】 英[ˈekstrə] 美[ˈekstrə]
【单词释义】 extra是什么意思：
adj.额外的，补充的，附加的；特大的，特别的
n.附加物，额外的事物；临时演员；号外；上等产品，上品
adv.额外地；格外地，特别地
[单词分级] 高考英语词汇
[单词复数] extras
【extra形近词/近似词】
opera n.歌剧；歌剧艺术
zebra n.斑马
era n.纪元，年代；历史时期，时代
【单词例句】
◇ I formed my first band called “Rolling Frog”. At the beginning, we relied on performing on instruments in pubs or to passers –by to earn extra money in cash.
我组成的第一支乐队叫做“摇滚蛙”。开始，我们依靠在酒吧里或向路人表演乐器来挣些零花的现金。
---- My First Band
◇ Juice and soda are not only less hydrating, but offer extra sugars and calories that won't fill us up as much as solid foods. If the choice is between soda and water for hydration, go with water every time.
果汁和汽水不但补水功效更差，而且会提供过多的糖分和热量，而且不会像固体食物一样令我们产生饱腹感。如果要在汽水和水当中选一个来解渴，你肯定要选水。
---- Which drink is best for hydration? Hint: It isn't water
◇ If you can explain what you would have done differently to prevent the mistake that will win you extra points.
如果你能说明怎么做能够防止当初的错误，将会给你加分。
---- Five most common questions asked at a job interview
◇ Deep snow can sometimes appear blue in color because the extra layers of snow create a filter for light, which causes more red light to be absorbed by the snow than blue light, meaning that it looks blue.
深深的积雪有时候会呈现出蓝色，因为更厚的雪成为了光线的滤镜，导致雪层吸收的红光多于蓝光，这意味着雪会看起来发蓝。
---- 3 biggest snow myths that will surprise you
◇ It might feel as though pressing the snooze button in the morning gives you a little bit of extra rest to start your day, but the truth is that it does more harm than good.
你可能觉得早晨按掉闹钟能让你起床前多休息一会儿，但其实这样做弊大于利。
---- Bad habits you should break
◇ It had been lovely to spend extra time with her 21-month-old son, but by the end of the third day off she was shattered.
能够和21个月大的儿子共度更多时光本来是件很好的事，但是到第三天快结束时她感觉自己要崩溃了。