V2EX top-up

TOP-UP

释义 Definition

top-up(名词/动词,尤用于英式英语):指充值、补足(金额/余额/数量);也可指补充少量(液体等)使其满或够用。在移动话费、交通卡、预付费账户等语境中非常常见。

发音 Pronunciation (IPA)

/tp p/(英)
/tp p/(美)

例句 Examples

I need to top up my phone credit.
我需要给手机话费充值。

If the balance falls below ten pounds, the system will automatically top up the account to keep the service active.
如果余额低于10英镑,系统会自动为账户补足金额,以保持服务可用。

词源 Etymology

来自短语动词 top uptop 有“顶部、使…到顶/加满”的含义,up 表示“向上、增加”,合起来引申为“把不足的部分补上、加到够为止”。后来在预付费与金融场景中固定为“充值/补足”。

相关词 Related Words

文学作品 Literary Works

  • The Girl on the Train (Paula Hawkins)(出现英式日常用语与消费场景表达中,可能涉及账户/余额“top up”的用法)
  • Bridget Jones’s Diary (Helen Fielding)(大量英式口语与生活化表达中常见此类动词短语)
  • About a Boy (Nick Hornby)(现代都市生活语境中可能出现与消费/补充相关的表达)
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