V2EX outer ring

Outer Ring

Definition / 释义

outer ring:外环;外圈。常指某个系统中最外层的环状部分,常见于:

  • 交通/城市:城市外环路、绕城高速的外圈路段(外环)。
  • 天文学/物理:行星环系统的外侧环带(外圈/外环)。 (也可用于一般语境,指物体结构的最外圈。)

Pronunciation / 发音

/atr r/

Examples / 例句

The bus stops at the outer ring of the city.
公交车在城市外环停靠。

In the model, the outer ring stabilizes the structure while the inner parts rotate.
在这个模型中,外圈起到稳定结构的作用,而内层部分在旋转。

Etymology / 词源

outer 来自古英语 ūtera(“更外侧的”),与 “out(外面)”同源;ring 来自古英语 hring(“环、圆圈”)。合在一起,字面意思就是“外侧的环”,属于透明直译型的组合短语,因此在工程、城市规划与科学写作中很常用。

Related Words / 相关词汇

Literary Works / 文学作品例证

(该短语更常见于科普与非虚构写作中,尤其在描述行星环或结构分层时。)

  • Carl Sagan, Cosmos(科普写作中常涉及行星“rings”的外侧部分表述)
  • Isaac Asimov, Asimov’s New Guide to Science(科学指南类文本中常出现“outer ring”等结构分层表达)
  • Stephen Hawking, A Brief History of Time(讨论宇宙结构时常用“outer/inner”这类分层表达方式)
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