英文關鍵字
antique
black
bottleneck
clock
close
closeup
concept
concepts
containing
countdown
deadline
draining
dropping
emptying
endurance
falling
finite
finiteness
flowing
grain
heap
history
hour
hourglass
hurry
idea
instrument
macro
minute
motion
old
past
patience
people
pile
pours
retro
sand
slow
speed
studio
the
time
timer
transparent
watch
white