英文關鍵字
bench
black
challenge
check
checkered
chess
chessboard
child
competition
concept
desk
dof
elderly
female
figure
finger
forward
free
game
grandma
grandmother
hand
hold
kid
king
leader
leadership
male
mental
move
old
opponent
outdoors
park
people
piece
plastic
playing
power
progress
senior
shallow
strategy
strength
successful
support
table
time
white