英文關鍵字
abstract
bright
build
castle
child
childhood
children
clock
close
concentration
concept
countdown
deadline
eternity
figure
flow
glass
hand
hands
hour
hourglass
hours
instrument
life
macro
measure
measurement
minute
movement
one
palm
past
play
precise
running
sand
seconds
shift
shore
silhouette
slow
speed
stopwatch
symbol
time
timer
tool
transience
young