出典:Wiktionary
出典:『Wiktionary』 (2024/08/17 00:28 UTC 版)
free + phone, perhaps after the Freefone (0800 number) service introduced in 1985 in the UK.
freephone (uncountable)
freephone (third-person singular simple present freephones, present participle freephoning, simple past and past participle freephoned)
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