V2EX subtraction

Subtraction

释义 Definition

“Subtraction” 指“减法;减去;减少的量(差)”,常用于数学运算或泛指数量的减少。(也可引申为“删减/减去某些部分”的行为。)

发音 Pronunciation

/ sbtrkn /

例句 Examples

I’m learning subtraction in math class.
我正在数学课上学习减法。

The final design was improved through subtraction, removing unnecessary details to make it clearer.
最终的设计通过“做减法”得到了改进:去掉不必要的细节,让它更清晰。

词源 Etymology

源自拉丁语 subtrahere,由 *sub-*(在下、从……之下)+ trahere(拉、拖)组成,原意是“把某物从下面拉走/抽走”,逐渐引申为“取走一部分”,在数学中固定为“减去”。

相关词 Related Words

文学作品 Literary Works

  • Alice’s Adventures in Wonderland(Lewis Carroll):作品中多处以“算术/数学”作为童话式的语言与逻辑游戏背景,常涉及加减等基础运算概念。
  • The Phantom Tollbooth(Norton Juster):通过文字与数学概念的拟人化冒险呈现基础算术思维,其中包含对“减法/减少”的情境化表达。
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