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natural number

/ˈnætʃərəl ˈnʌmbər/

翻译: 自然数是指用于计数和排序的数,通常指正整数(1, 2, 3, ...),有时也包括零。在数学中,自然数有无穷多个。

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phrase

/ˈnætʃərəl ˈnʌmbər/B1formalscientific
  • zh自然数是指用于计数和排序的数,通常指正整数(1, 2, 3, ...),有时也包括零。在数学中,自然数有无穷多个。

A natural number is a positive integer (1, 2, 3, ...) or sometimes including zero, used for counting and ordering in mathematics.

  1. Counting numberB2formal

    A positive integer used for counting and ordering, typically starting from 1 (or sometimes 0).

    zh自然数

    • The set of natural numbers includes 1, 2, 3, and so on.
    • In mathematics, natural numbers are used for basic arithmetic.
    • The teacher explained that natural numbers are infinite.