natural number
noun /ˌnætʃrəl ˈnʌmbə(r)/
  /ˌnætʃrəl ˈnʌmbər/
(mathematics- a positive whole number such as 1, 2 or 3, and sometimes also zero正整数;自然数 
| 词汇 | natural number | 
| 释义 | natural numbernoun /ˌnætʃrəl ˈnʌmbə(r)/  /ˌnætʃrəl ˈnʌmbər/(mathematics 
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