round trip
US /ˈraʊnd trɪp/
UK /ˈraʊnd trɪp/

1.
往返, 往返旅行
a journey to a place and back again
:
•
I bought a round trip ticket to New York.
我買了一張去紐約的往返票。
•
The bus offers a round trip service to the airport.
這趟巴士提供到機場的往返服務。
1.
往返的
involving a journey to a place and back again
:
•
We took a round trip flight to Paris.
我們乘坐了去巴黎的往返航班。
•
The travel package includes a round trip train ticket.
旅行套餐包含一張往返火車票。