英文關鍵字
alliance
background
black
blackboard
board
chalk
chalkboard
circle
classroom
community
country
desk
draw
drawing
drawn
emblem
euro
europa
europe
european
federation
flag
geography
globalization
green
greenboard
hand
handwriting
international
learning
nation
national
nationality
nobody
school
schoolroom
sign
sketch
star
symbol
table
unification
union
united
white
wood
wooden
write
writing