英文關鍵字
adult
air
allergy
care
caucasian
city
corona
coronavirus
covid
covid19
disease
environment
epidemic
face
female
flu
girl
health
hygiene
illness
infected
infection
influenza
mask
medical
medicine
outdoor
pandemic
people
person
pollution
portrait
prevention
protect
protection
protective
quarantine
respiratory
safety
sick
sickness
street
travel
virus
wearing
woman
young