英文關鍵字
objects
isolated
business
End
minute
time
timer
clock
concept
measure
measurement
tool
pass
sand
hurry
hourglass
deadline
past
stop
exhausted
countdown
finish
grains
seconds
expires
expired
run out
英文關鍵字
objects
isolated
business
End
minute
time
timer
clock
concept
measure
measurement
tool
pass
sand
hurry
hourglass
deadline
past
stop
exhausted
countdown
finish
grains
seconds
expires
expired
run out