英文關鍵字
alternative
background
black
board
boy
challenge
checkers
chessboard
child
childhood
clever
closeup
competition
concentrated
concept
cunning
development
draught
draughts
education
game
hand
hobby
indoors
ingenious
intellectual
kid
learn
leisure
little
male
person
play
player
playing
preschooler
schoolboy
serious
sport
strategic
strategy
think
thinking
white
winner
wise
young