英文關鍵字
abstract
accuracy
accurate
animated
animation
arrow
background
black
business
chroma
chronometer
circle
clock
competition
concept
countdown
counter
counting
deadline
design
element
equipment
fast
finish
flat
graphic
green
hour
icon
illustration
interval
isolated
key
measure
measurement
meter
minute
movement
object
office
round
screen
second
set
sign
speed
start
symbol
time
vector
watch