英文關鍵字
background
basic
basics
black
blackboard
board
chalk
chalkboard
childhood
class
coaching
concept
conceptual
course
desk
draw
drawing
educate
education
elementary
font
fundamental
grade
grading
grammar
greenboard
hand
handwriting
handwritten
information
knowledge
learn
learning
letter
nobody
primary
school
start
studies
study
studying
table
teaching
text
white
word
write
writing
young