温馨提示 we kindly rdmind you…
知识扩展
here are some important words you need to know when at the airport:
要记住这些和机场相关的重要词汇：
customs n.海关
check-in counter 入口检查处
boarding time 登机时间
gate number 登机门号
first class 头等舱
economy class 经济舱
passport n.护照
visa n.签证
declaration card 申报单
carry-on luggage 随身携带行李
overhead compartment 舱顶置物箱