英文關鍵字
quarantine
tape
text
closed
coronavirus
pandemic
outbreak
virus
sign
yellow
information
danger
institutions
school
kindergarten
distance
prevention
distancing
isolation
self
lockdown
attention
contamination
epidemic
covid
dangerous
health
protection
area
contagion
restriction
protect
stop
corona
hazardous
covid19
closeup
infection
nobody
risk
indoor
infected
control
info