英文關鍵字
alarm
animation
background
black
clock
count
countdown
deadline
digit
digital
display
electronic
hour
minute
modern
number
numbers
numeral
simple
speed
stop
stopwatch
symbol
technology
time
timer
watch
white
英文關鍵字
alarm
animation
background
black
clock
count
countdown
deadline
digit
digital
display
electronic
hour
minute
modern
number
numbers
numeral
simple
speed
stop
stopwatch
symbol
technology
time
timer
watch
white