英文關鍵字
africa
america
asia
atlas
australia
background
blackboard
canada
cartography
chalk
chalkboard
class
classroom
continent
country
draw
drawing
drawn
earth
educate
education
europe
geographic
geography
global
graphic
green
greenboard
hand
handwriting
handwritten
illustration
learn
learning
line
map
north
outline
planet
school
shape
sketch
south
study
studying
teach
travel
usa
white
world