V2EX dual-purpose

Dual-purpose

释义 Definition

dual-purpose(形容词):双用途的;兼具两种用途的(常指同一物品/设计/政策既可用于A也可用于B,或同时满足两项目标)。也常见近义表达 dual-use(尤指“军民两用/可民用可军用”语境)。

发音 Pronunciation

/djul prps/(英式常见);/dul prps/(美式常见)

例句 Examples

This knife is dual-purpose: it can cut fruit and open packages.
这把刀是双用途的:既能切水果,也能拆快递。

The city invested in a dual-purpose floodwall that also functions as a riverside promenade during dry seasons.
这座城市投资建设了一道双用途防洪墙,在枯水期还可作为滨河步道使用。

词源 Etymology

dual(“双的、两重的”,源自拉丁语 dualis,与“two/二”相关)+ purpose(“目的、用途”,源自古法语 porpos/purpos,进一步可追溯到拉丁语 proponere “提出、设定目标”)组合而成,字面即“具有两种用途的”。

相关词 Related Words

文学与著名作品中的用例 Literary Works

该词更常见于政策、工程、商业与军事类非虚构写作(在经典小说中作为固定搭配相对少见)。在以下类型的知名文本/权威文献中常可见到 dual-purpose 这类表述:

  • *NATO Glossary of Terms and Definitions (AAP-06)*(北约术语词汇,常用于“军民两用/双用途”语境)
  • NASA Systems Engineering Handbook(NASA 系统工程手册,常用于“兼具两项功能的设计”语境)
  • U.S. Department of Defense Dictionary of Military and Associated Terms(美军术语词典,常见于装备与弹药“dual-purpose”描述)
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