英文關鍵字
allergy
baby
bandage
boy
care
caucasian
child
children
close
copy
copyspace
corona
coronavirus
covid19
danger
depth
disease
epidemic
face
facemask
field
flu
focus
health
himself
illness
infection
influenza
kid
loneliness
look
mask
medical
medicine
outbreak
pandemic
people
pneumonia
pollution
preschooler
prevention
protect
protection
protective
protects
putting
quarantine
respiratory
right
safety
selective
shallow
sickness
space
temperature
virus
viruses
wearing
young