英文關鍵字
asking
question
solve
problem
line
symbol
knowledge
mind
intelligence
world
university
diploma
intelligent
talking
library
shelf
books
business
idea
technology
brain
education
learn
book
science
information
document
training
innovation
think
computer
school
network
study
distance
educate
learning
studying
wisdom
reading
literature
owl
icon
motion
graphic
animation
pictogram
hd
animated
item
sign
black