大于零的量；正数；正值。
先理解核心含义，再看它在真实句子里的用法。
大于零的量；正数；正值。；大于零的量；正数；正值。
A quantity greater than zero; a positive number or value.
The sum of two positive quantities is always positive.
两个正数之和总是正数。
大于零的量；正数；正值。
A quantity greater than zero; a positive number or value.
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Dictionary facts from AI_SUPPLEMENT.