你妈妈已经为你买了往返机票，机票将于三日内送达的翻译：Your mother had bought return tickets for you, an airline will be served within 3rd 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Your mother has already bought air tickets for you, tickets will be delivered within three days

Your mother had bought return tickets for you, an airline will be served within 3rd

Your mother will already buy the round-trip airplane ticket for you, the airplane ticket has delivered in third

Your mother had already for you to buy a round trip airfare, tickets will be delivered in 3 days

Your mother had bought return tickets for you, an airline will be served within 3rd