英文關鍵字
aeroplane
aircraft
airplane
attendant
bacteria
cabin
chore
cleaner
cleaning
cleanliness
close
concept
corona
coronavirus
covid
covid19
crew
disinfect
disinfectant
disinfecting
door
female
flight
germs
habit
hand
handle
health
home
hygiene
interior
knob
lavatory
lock
medical
metallic
open
pandemic
patient
plane
prevention
professional
protection
restroom
safety
sanitizer
shelf
steel
toilet
virus
washing
white
wipe
wiping
work
worker