英文關鍵字
activity
adult
autumn
bench
board
boy
caucasian
checkmate
chess
chessboard
child
competitions
concentration
concept
daylight
decision
education
elderly
enjoy
family
game
grandchild
grandparent
grandson
hand
happiness
happy
hobby
intelligence
king
knight
leisure
lifestyle
male
man
old
outdoor
pawn
plan
play
player
queen
school
sport
strategy
think
together