英文關鍵字
1080p
animation
can
chalkboard
classroom
colourful
definition
digital
digitally
education
generated
hands
hd
high
highdef
holding
letter
man
message
montage
motivation
of
part
people
positive
presenting
school
showing
two
we
woman
yes
英文關鍵字
1080p
animation
can
chalkboard
classroom
colourful
definition
digital
digitally
education
generated
hands
hd
high
highdef
holding
letter
man
message
montage
motivation
of
part
people
positive
presenting
school
showing
two
we
woman
yes