V2EX countdown timer

Countdown Timer

释义 Definition

“倒计时计时器”:一种从设定的时间长度开始向下计数(如从 10 分钟到 0)的计时工具或功能,常用于烹饪、运动训练、考试、活动开始前提醒、软件/设备定时等。(也可泛指“倒计时功能/倒计时器”。)

发音 Pronunciation (IPA)

/kantdan tamr/

例句 Examples

Set a countdown timer for five minutes.
设一个五分钟的倒计时计时器。

Before the presentation starts, the app displays a countdown timer so everyone knows exactly when to begin.
在演示开始前,这个应用会显示一个倒计时计时器,让所有人都清楚准确的开始时间。

词源 Etymology

countdown 来自 count(“计数”)+ down(“向下”),原本指从某个数字“倒着数到零”,常见于火箭发射等场景;timer 源自 time(“时间”),指“计时器”。合在一起,countdown timer 就是“用于倒计时的计时器/功能”。

相关词 Related Words

文学与作品用例 Literary Works

该短语更常见于技术写作与当代叙事(如科幻、惊悚、影视/游戏改编文本)中,用来描述“界面上的倒计时”或“关键时刻的计时装置”。可在以下类型作品中较常见到类似用法(有时以 countdown / timer 分开出现):

  • 《The Martian》(Andy Weir,《火星救援》):大量与任务计时、倒计时相关的叙述语境
  • 《Ready Player One》(Ernest Cline,《头号玩家》):与游戏机制、倒计时提示相关的界面描写语境
  • 《iOS Human Interface Guidelines》(Apple,设计指南类书/文档):在界面组件与时间反馈的说明中常见 timer / countdown 的术语用法
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