英文關鍵字
architecture
blackboard
board
build
building
cartoon
categorize
chalk
chalkboard
city
class
classify
classroom
college
course
desk
draw
drawing
drawn
educate
education
exterior
facade
green
handwriting
handwritten
house
illustration
knowledge
learn
learning
letter
lettering
line
nobody
outline
public
school
sketch
study
studying
table
teach
text
type
university
white
word
write
writing