V2EX traffic signals

Traffic Signals

Definition / 释义

“Traffic signals”指用于指挥和管理道路交通的信号装置,最常见的是红绿灯,也可泛指行人信号灯、箭头灯、倒计时灯等。(也常被称为 traffic lights;在更广义语境下可包含各种交通信号系统。)

Pronunciation / 发音(IPA)

/trfk snlz/

Examples / 例句

The traffic signals turned red, so we stopped.
交通信号灯变红了,所以我们停下了。

Modern cities use adaptive traffic signals that change timing based on real-time congestion to reduce delays and improve safety.
现代城市会使用自适应交通信号系统,根据实时拥堵情况调整配时,以减少延误并提升安全性。

Etymology / 词源

Traffic 来自意大利语 traffico(贸易、往来),后来引申为“交通流动”;signal 源自拉丁语 signum(标记、符号)。合起来 traffic signals 字面意思就是“用于交通的信号标记”,随着城市道路与机动车发展而成为常用术语。

Related Words / 相关词汇

Literary Works / 文学作品中的用例

  • Mrs Dalloway(Virginia Woolf):描写伦敦街景与城市节奏时,常出现与交通与街道管制相关的意象(包括信号灯等城市设施)。
  • The Great Gatsby(F. Scott Fitzgerald):作品中多次呈现汽车与道路场景,涉及交通秩序与城市化氛围的描写(可见与交通信号相关的语境)。
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