英文關鍵字
2019
breathing
brown
care
caucasian
clinic
clinical
corona
coronaviridae
coronavirus
correct
cough
cov
covid
danger
disease
down
eyes
face
female
fix
flu
girl
health
hospital
hygiene
ill
illness
infection
influenza
lifestyle
lock
man
mask
medicine
ncov
outdoor
pandemic
people
portrait
prevention
professional
protection
safety
sars
sick
sun
threat
treatment
virus
wear
wearing
white