英文關鍵字
active
activity
alarm
alert
bright
broken
clock
close
closeup
concept
count
countdown
counter
device
digital
display
dolly
electronic
hour
information
management
measure
minute
mobile
modern
motion
number
phone
planning
pressure
reminder
run
screen
second
slow
smart
smartphone
stop
table
target
technology
time
timer
watch
white
word