英文關鍵字
animation
chat
speech
bubble
speak
chalk
blackboard
art
background
black
board
chalkboard
chatting
class
comment
communicate
communication
conversation
dialog
dialogue
discuss
discussion
drawing
drawn
element
forum
graphic
hand
icon
illustration
info
information
message
outline
pictogram
school
shape
sign
simple
sketch
support
symbol
talk
talking
text
think
white
write
writing
line