有用的词：
airport terminal: 航站楼
domestic flight: 国内航班
international flight: 国际航班
checked luggage: 托运行李
carry-on luggage: 随身行李
security check: 安检
flight number: 航班号
boarding gate: 登机门
transfer/stop over/lay over: 转机
flight delayed: 航班延误
flight cancelled: 航班取消
connecting flight: 接驳航班
window seat：靠窗座位
aisle seat: 走廊座位
luggage carousel/luggage belt: 行李运送带
luggage strap: 行李打包
duty free shop: 免税店
tax refund: 退税
有用的句子：
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Where is the check-in counter for ...airlines? 某航空公司的办票柜台在哪儿？
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Is flight...on time? 某某航班准时起飞吗？
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Could I have a window/aisle seat? 我能要靠窗/靠走廊的座位吗？
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What's the boarding gate for flight...? 某某航班的登机门在哪儿？
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Where should I go to board my connecting flight? 我去哪里坐接驳航班？