No.
as an abbreviation meaning (and pronounced) "number," 1660s, from Latin numero, ablative singular of numerus (see number, n.).
| 词汇 | No. | 
| 词根词缀 | Online Etymology Dictionary No. as an abbreviation meaning (and pronounced) "number," 1660s, from Latin numero, ablative singular of numerus (see number, n.). | 
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