英文關鍵字
adult
air
alley
asking
assistance
caucasian
coronavirus
covid19
emotional
favour
female
fresh
green
hat
help
hygiene
mask
measures
medicine
need
outbreak
pandemic
panic
park
people
person
prevention
problem
protection
quarantine
request
restriction
shirt
solving
straw
summer
trees
trouble
unexpected
virus
walk
white
woman