英文關鍵字
asian
bacterium
biochemistry
biology
blue
brunette
businesswoman
care
chemical
chemistry
coffee
contagious
corona
coronavirus
couch
covid19
demonstration
diagnostic
disease
doctor
epidemic
expertise
face
female
flu
grey
health
hospital
how
illness
indoors
infection
isolated
isolation
looking
mask
medical
nurse
off
portrait
prevention
protection
public
put
remove
shop
sick
smiling
sofa
surgical
take
virus
wearing
white
woman
young