英文關鍵字
10s
adorable
african
american
back
backpack
bag
best
boy
caucasian
child
children
communication
conversation
corona
coronavirus
covid
cute
education
elementary
ethnicity
face
facemask
friends
friendship
girl
kids
lifestyle
little
mask
mates
motion
nature
ncov
new
outdoor
pandemic
park
people
person
primary
realty
rear
school
schoolboy
schoolgirl
slow
spread
study
talk
together
two
view
virus
walk