英文關鍵字
gear
green
spin
symbol
technology
cog
circle
artificial
intelligence
ai
cogwheel
icon
mechanism
tech
engine
animated
motion
video
animation
spinning
modern
element
graphic
abstract
background
looped
simple
silhouette
concept
mechanical
logical
movement
industrial
industry
equipment
business
round
vector
power
progress
work
machine
clock
technical
engineering
design
white