英文關鍵字
accuracy
accurate
action
alertness
analogue
background
business
button
chrome
chronometer
circle
clock
competition
concept
countdown
counting
deadline
equipment
finish
hour
instrument
measure
measurement
stopwatch
time
timer
timescale
watch
英文關鍵字
accuracy
accurate
action
alertness
analogue
background
business
button
chrome
chronometer
circle
clock
competition
concept
countdown
counting
deadline
equipment
finish
hour
instrument
measure
measurement
stopwatch
time
timer
timescale
watch