短語詞組短語round trip ticket 雙程票;來回機票back round trip ticket 返程票a round trip ticket 往返車票;往返票round way ticket 來回票round up ticket 雙程票round trip ticket return ticket 來回票round or return ticket 往返票round -trip ticket [交]往返票;往返機票;[交]來回票;[交]往返車票round d trip ticket 來回票 返回 round ticket