英文關鍵字
cartoon
character
2d
animation
teach
german
foreign
language
tutor
learn
study
student
class
school
lesson
university
college
education
speech
bubble
course
vocabulary
speak
textbox
greet
flat
motion
graphic
illustration
hd
video
design
animated
footage
human
isolated
loop
clipart
repeat
toon
dynamic
faceless
person
woman
female
adult
white
european
caucasian