extra
/ˈekstrə/
adj. / adv. / n.
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
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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。
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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
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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
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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。
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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
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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
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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)
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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
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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。
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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。
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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。