英文關鍵字
airline
airplane
airport
arrival
bag
baggage
boarding
cart
coronavirus
covid19
departure
epidemic
female
flight
fly
health
holiday
international
journey
luggage
many
mask
outbreak
pandemic
passenger
people
person
prevention
protection
safety
suitcase
terminal
tourism
tourist
transport
transportation
travel
traveler
trip
trolley
vacation
virus
waiting
walking
woman
young