V2EX under-five

Under-five

释义 Definition

under-five(形容词/名词):五岁以下的;(尤指)五岁以下儿童/幼儿群体。常用于公共卫生、教育与社会政策语境(如 under-five mortality “五岁以下儿童死亡率”)。

发音 Pronunciation (IPA)

/ndrfav/

例句 Examples

Children under-five often need close supervision at home.
五岁以下的孩子在家通常需要密切看护。

The clinic launched a vaccination campaign targeting under-five children in rural areas to reduce preventable disease.
该诊所发起了面向农村五岁以下儿童的疫苗接种活动,以降低可预防疾病的发生。

词源 Etymology

under(在……以下)+ five(五)构成的复合表达,字面义即“在五岁以下”。这种“under + 数字/年龄”的结构在英语中很常见,用来表示年龄、数量或限制范围(如 under-18)。

相关词 Related Words

文学与出版物举例 Literary / Notable Works

  • UNICEF The State of the World’s Children(常出现 under-fiveunder-five mortality 等表述)
  • World Health Organization (WHO) World Health Statistics(常用 under-five 作为统计分组)
  • The Lancet(公共卫生与儿科研究文章中常见 under-five 相关用法)
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