词汇 | number-unobtainable |
释义 | Definition of number-unobtainable in English:number-unobtainableadjective
Origin1930s; earliest use found in Glossary Terms Telegraphs & Telephones. Definition of number-unobtainable in US English:number-unobtainableadjective
Origin1930s; earliest use found in Glossary Terms Telegraphs & Telephones. |
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