英文關鍵字
accuracy
alarm
analog
appointment
arrow
axis
background
black
business
circle
clock
clockwise
closeup
concept
countdown
day
deadline
dial
face
five
hour
isolated
lunch
midday
midnight
minute
modern
new
noon
number
object
office
pointer
punctual
schedule
second
speed
symbol
ticker
ticking
time
timer
twelve
wall
watch
white
work
year