一、交通场景A、机场场景送别： airway, airport, sad place, keep in touch, see sb. off.询问： flight, fly; direct flight, transfer; arrival, departure, destination;one-way ticket, return ticket, one-week return ticket; first class, business class, economy class, regular class; airline, airway, airport, air lounge, waiting room; book, reserve, reservation, be booked up, get ticket changed, switch; on time, delayed, postponed, put off, behind schedule, cancelled.登机： luggage, baggage, suitcase, briefcase
