runtime

/ˈrʌntaɪm/ (bre, ipa) · /ˈrʌntaɪm/ (ame, ipa)

runtime — 名詞

1. the total length of time from the beginning to the end of a film, television pro

1.名詞B1
釋義

片長

電影或影音的總播放時間

the total length of time from the beginning to the end of a film, television programme, or online video

例句

The film has a runtime of just over two hours, including the closing credits.

這部電影的片長剛好超過兩小時，包含片尾工作人員名單。

collocation: a runtime of [time period]

Astrid checked the DVD case for the runtime before deciding whether to watch it tonight.

Astrid 先看了一下 DVD 盒上的片長，才決定今晚要不要看。

同義詞
  • length

    more general; can refer to duration of any media, not just films

  • duration

    more formal; used in technical descriptions

文法句型

a runtime of [length]

with a runtime of [length]

用法筆記

Often used with 'of' or 'with' to specify the length. Common in film reviews, streaming-service descriptions, and DVD packaging.

常見錯誤

❌The movie's run time is 120 minutes.
✅The movie's runtime is 120 minutes.
💡As a computing compound, 'runtime' is written as one word in modern usage.

2. the period during which a computer program is actively running and carrying out

2.名詞B2
釋義

執行時間

程式運行的時間長度

the period during which a computer program is actively running and carrying out its instructions, or the length of that period

例句

The app's runtime increased significantly after the latest update, frustrating many users.

這款應用程式在最新更新後，執行時間大幅增加，讓許多使用者感到困擾。

collocation: runtime increases / decreases

Saira measured the runtime of each search algorithm to compare their efficiency.

Saira 測量了每種搜尋演算法的執行時間，以比較它們的效率。

verb + runtime: measure runtime

同義詞
  • execution time

    more precise; used in performance measurement contexts

  • run time

    alternative spelling; means the same thing

反義詞
  • compile time

    the period when a program is being compiled, before it runs

文法句型

during runtime

at runtime

runtime of [program]

用法筆記

In programming, 'runtime' is often contrasted with 'compile time' or 'design time.' 'At runtime' refers to the moment when the program is actually executing, as opposed to when it is being written or compiled.

常見錯誤

❌The runtime of the program took 30 seconds.
✅The program's runtime was 30 seconds.
💡'Runtime' refers to the duration itself, not to the program that takes time.

3. a software system that provides the basic tools, libraries, and environment need

3.名詞C1
釋義

執行環境

讓程式得以執行的軟體平台

a software system that provides the basic tools, libraries, and environment needed for a particular computer program to be executed and run correctly

例句

To play this game on your computer, you first need to install the Java runtime.

要在你的電腦上玩這款遊戲，必須先安裝 Java 執行環境。

collocation: install a / the [name] runtime

The development team chose a runtime that supports multiple operating systems for their new application.

開發團隊為他們的新應用程式選擇了一個支援多種作業系統的執行環境。

verb + runtime: choose / select a runtime

同義詞

文法句型

[programming language] runtime

install a runtime

runtime for [language/platform]

用法筆記

Often referred to as a 'runtime environment' or 'runtime system.' Common examples include the Java Runtime Environment (JRE) and the .NET runtime. The term is most frequently used in discussions about programming languages and software deployment.

常見錯誤

❌I need to update my runtime to watch the new video format.
✅I need to update my media player to watch the new video format.
💡A runtime is a software platform for running programs, not a media player.