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单词 number-unobtainable
释义

Definition of number-unobtainable in English:

number-unobtainable

adjective
  • Denoting a sound indicating to a caller that the telephone number dialled is unobtainable for a reason other than its being engaged.

Origin

1930s; earliest use found in Glossary Terms Telegraphs & Telephones.

 
 

Definition of number-unobtainable in US English:

number-unobtainable

adjective
  • Denoting a sound indicating to a caller that the telephone number dialled is unobtainable for a reason other than its being engaged.

Origin

1930s; earliest use found in Glossary Terms Telegraphs & Telephones.

 
 
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更新时间:2025/1/4 2:10:52