英文關鍵字
medical
baby
child
person
girl
kid
nature
face
protection
virus
portrait
young
medicine
mask
coronavirus
infection
illness
health
flu
know
healthcare
hospital
influenza
isolated
fever
filter
hope
caucasian
respiratory
pollution
little
protective
spread
security
danger
protect
smog
air
covid19
outdoor
patient
respiration
sick
cute
risk
epidemic
emergency
standing
disease