V2EX subtract

Subtract

定义 Definition

动词,意为"减去,扣除",指从一个数量中去掉一部分,得到差值。

发音 Pronunciation

/sbtrkt/

例句 Examples

If you subtract 3 from 10, you get 7.
如果你从10中减去3,你会得到7。

The accountant had to subtract all the business expenses from the total revenue before calculating the net profit.
会计必须从总收入中扣除所有商业费用,然后才能计算净利润。

词源 Etymology

subtract 源自拉丁语 subtrahere,由 **sub-**(在……之下)和 trahere(拉、拖)组成,字面意思是"从下面拉走",引申为"减去、移除"。该词于16世纪进入英语,最初主要用于数学领域,后来也扩展到一般语境中,表示减少或去除某物。

相关词汇 Related Words

文学作品引用 Literary References

  • 在刘易斯卡罗尔的《爱丽丝漫游奇境记》中,Mock Turtle 提到学校里学的科目包括 "Ambition, Distraction, Uglification, and Derision",其中 "Uglification" 是对 subtraction 等数学运算的戏仿。
  • 在乔治奥威尔的《1984》中,数学运算如 subtract 被用来象征极权政府对真理和事实的操控。
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