extra

/ˈekstrə/ adj. / adv. / n.
标准词条 CET-4CET-6IELTS
一句话记住

额外的;另外;格外;额外收费项目;额外的人或物;临时演员

释义与例句

adj./adv. 额外的;另外;格外
added to what is usual, expected or already present, or more than usually
  1. We need an extra chair for our unexpected guest.
    我们还需要一把椅子给这位意外到访的客人。
  2. You have to pay extra for checked baggage on this flight.
    乘坐这趟航班,托运行李需要另外付费。
展开其余 1 条例句
  1. Be extra careful when you are driving on icy roads.
    在结冰的道路上开车时要格外小心。
n. 额外收费项目;额外的人或物;临时演员
something added for an additional charge, an additional person or thing, or an actor with a minor non-speaking role
  1. A hot breakfast is available as an optional extra.
    热早餐可作为额外付费的选配项目提供。
  2. The bill includes several extras that we did not request.
    账单中包含几项我们没有要求的额外收费项目。
展开其余 1 条例句
  1. Hundreds of local people were hired as extras for the battle scene.
    数百名当地人被雇为战争场面的临时演员。

词源与构词

记忆钩子 extra 可作形容词、副词和名词:extra time 是“额外时间”,pay extra 是“另外付费”,optional extras 是“选配项目”。

词族与关联词

同义词
  • additional 额外的;附加的
    extra 和 additional 都可表示在通常或已有数量之外增加的;additional 较正式,常用于 information、cost、support 等,extra 更日常,还可作副词和名词。
    Additional information is available on our website. 更多补充信息可在我们的网站上查阅。
易混词(形近或义近,注意区别)
  • spare 备用的;闲置的;多余的
    extra 指在常规数量之外增加的,可能需要另外付费;spare 强调留作备用、目前未使用或时间空闲。an extra key 是多出来的一把钥匙,a spare key 则强调备用钥匙。
    Keep a spare battery in your bag in case this one runs out. 包里放一块备用电池,以防这块用完。
常见搭配
  • extra time 额外时间;加时赛
    The teacher gave us ten minutes of extra time to check our answers. 老师额外给了我们十分钟检查答案。
  • extra charge 额外费用
    There is an extra charge for delivery to remote areas. 配送到偏远地区要收取额外费用。
  • extra effort 额外的努力
    A little extra effort now could prevent serious problems later. 现在多付出一点努力,可以避免以后出现严重问题。