英文關鍵字
sports
hand
decisions
activity
chess
clock
fun
playing
set
knight
room
thinking
wisdom
learning
to
play
kids
strategy
leisure
intelligence
children
board
king
child
game
challenge
boys
battle
teaches
tables
sets
up
rook
queen
pawns
moves
initial
position
games
black
competition
closeup
checkmate
sport