英文關鍵字
animal
anxiety
boy
breed
canine
care
children
concern
coronavirus
danger
dangerous
disease
dog
epidemic
face
family
girl
health
healthcare
infection
infectious
leash
leisure
mask
medical
medicine
outbreak
outdoors
outside
owner
person
pet
prevention
protect
protection
protective
public
quarantine
respiratory
risk
safety
schoolchildren
therapy
viral
virus
walk