英文關鍵字
2019
adult
allergy
awareness
breath
breathing
care
caucasian
caution
contagion
contagious
contaminate
contamination
corona
coronavirus
covid
danger
dangerous
disease
epidemic
face
female
fever
flu
hand
head
health
holding
human
illness
infected
infection
mask
medical
motion
ncov
off
pandemic
pathogenic
person
pollution
portrait
prevention
protection
protective
quarantine
safety
security
sickness
slow
taking
virus
woman