英文關鍵字
adult
age
air
apartment
april
begins
breath
camera
closes
cold
cough
coughs
covid
deep
disease
european
frame
full
hands
health
home
house
isolation
leaves
left
man
march
medium
middle
movement
nature
ods
opens
outdoors
quarantine
right
security
selfisolation
shot
single
sneeze
sound
spring
stay
street
takes
violently
virus
window