英文關鍵字
sneeze
sick
diseased
patient
infected
green
ball
spike
thorn
virus
model
doctor
respirator
show
mask
concept
health
safety
protection
coronavirus
epidemic
worker
woman
man
wearing
protect
medical
aerosol
suffering
overalls
insecurity
agreement
trapping
sleepy
zymosis
syphilis
no
arm
chase
fight
inside
dirty
malady
chemicalbiological