英文關鍵字
afternoon
alternative
and
antenna
background
broadcast
cable
canopy
cellular
communication
day
electricity
energy
equipment
evening
flow
forest
green
high
industry
long
mountain
nature
outdoors
people
pole
power
radar
radio
rain
real
satellite
scene
shot
signal
sky
smoke
station
steel
technology
telecommunication
the
time
tower
transmitter
tree
view
wind
with