英文關鍵字
19
background
bacteria
blue
calculation
care
clean
clinic
clinical
closeup
color
coronavirus
count
counting
covid
covid19
disease
disposable
distributing
distribution
epidemic
face
flu
gloved
gloves
hands
health
healthcare
hospital
hygiene
india
indian
keeping
male
man
mask
masks
medical
nopeople
pandemic
professionallighting
shot
studio
wearing
white
whitebackground
worker