英文關鍵字
alarm
arrow
background
black
business
busy
chronometer
classic
clock
clockwise
closeup
countdown
day
deadline
dial
face
hand
hands
hour
lapse
lifestyle
midnight
minute
modern
money
number
object
office
old
pointer
pointers
pressure
run
running
rush
second
seconds
speed
stopwatch
stress
symbol
tick
ticking
time
timer
urgency
watch