英文關鍵字
allergic
allergy
asthma
asthmatic
attention
background
bad
branch
careful
caucasian
caution
concept
contagion
cov
diagnosis
disease
epidemic
face
female
flower
flu
health
illness
infect
infection
influenza
mask
medical
medicine
mers
nature
park
pink
pollen
portrait
prevention
protection
reaction
respiratory
sakura
season
sensitive
sick
sneeze
spring
syndrome
tree
viral
virus
woman
young