V2EX subclass

Subclass

释义 Definition

subclass(名词/动词)

  • 名词子类;在分类体系中从属于某一“父类/母类”的更具体类别。
  • 动词:把……归入子类;在面向对象编程中表示“从某类派生出子类”。(除上述常见义外,在不同学科也可有更专门的用法。)

发音 Pronunciation (IPA)

/sbkls/

例句 Examples

A whale is a subclass of mammals.
鲸是哺乳动物的一个子类。

In object-oriented programming, you can subclass a base class to reuse code while adding new features.
在面向对象编程中,你可以从一个基类派生子类,在复用代码的同时添加新功能。

词源 Etymology

由前缀 **sub-**(“在下、次级、从属”)+ class(“类别、阶级”)构成,字面意思就是“从属于某个类别之下的类别”,因此引申为“子类”。

相关词 Related Words

文学作品 Literary Works

  • Charles Darwin, On the Origin of Species(《物种起源》):讨论生物分类与“类/亚类”等层级概念的语境中常见该词。
  • Herbert Spencer, The Principles of Sociology(《社会学原理》):在社会分层与分类论述中会使用“class/subclass”等词汇来表达层级与从属关系。
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