英文關鍵字
aeroplane
antibacterial
antiseptic
background
bacteria
ban
bottle
care
clean
clear
commute
coronavirus
crowd
disease
disinfection
dispenser
doctor
epidemic
flu
gloves
hand
health
healthy
hospital
hygiene
infection
liquid
marketing
mask
medical
medicine
pandemic
people
professional
protection
safety
sanitary
sanitizer
sick
space
spray
surgical
virus
walking
wash
white
woman
young