subroutine

/ˈsʌbruːtiːn/ (bre, ipa) · /ˈsʌbruːtiːn/ (ame, ipa) · /ˈsəb-(ˌ)rü-ˌtēn/ (ame, mw)

subroutine — 名詞

1. a named block of computer code within a program that carries out one specific ta

1.名詞B2
釋義

副程式

程式中執行單一任務的程式碼區塊

a named block of computer code within a program that carries out one specific task and can be used repeatedly whenever that task is needed — for example, a subroutine that calculates a total, checks a password, or draws a shape on the screen.

例句

Asher wrote a subroutine to calculate the average temperature from daily readings.

Asher 寫了一個副程式，用來從每日氣溫清單中計算平均溫度。

subroutine + to-infinitive for purpose

When the game checks a score, it calls the same subroutine instead of repeating code.

當遊戲檢查分數時，它會呼叫同一個副程式，而不是重複撰寫程式碼。

call a subroutine — most common verb collocation

同義詞
  • function

    the most common modern term; a function usually returns a value, while a subroutine in older terminology does not.

  • procedure

    used especially in Pascal and SQL; focuses on the sequence of steps rather than the code block itself.

  • method

    object-oriented term for a subroutine that belongs to a class.

  • routine

    shorter, general term; can refer to any set of coded instructions.

文法句型

subroutine + that-clause

call/invoke/define + subroutine

用法筆記

Frequently used with the verbs call, invoke, define, run, and return from. In modern programming languages, subroutines are often called functions or methods, depending on the language paradigm.

常見錯誤

❌The subroutine is a program.
✅The subroutine is part of a program.
💡a subroutine is a building block inside a larger program, not a program on its own.
❌I used a subroutine for open the file.
✅I used a subroutine to open the file.
💡the purpose of a subroutine is expressed with to + infinitive, not for + verb.