英文關鍵字
ball
boy
brother
care
child
contagious
coronavirus
cough
cute
disease
epidemic
face
fun
game
girl
happiness
health
hygiene
infection
influenza
law
mask
measure
medical
mode
motion
outbreak
pandemic
park
play
pneumonia
portrait
positive
prevention
problem
quarantine
relief
respiratory
safety
sick
sister
slow
suffer
surgical
teen
throw
viral
wearing