英文關鍵字
antenna
broadcast
broadcasting
cell
cellular
city
cold
communication
connection
data
day
digital
equipment
freeze
freezing
frost
frozen
hanging
home
house
ice
icicle
icy
internet
mast
microwave
mobile
network
phone
radio
ray
roof
satellite
season
snow
station
structure
technology
telecom
telecommunication
telephone
tower
transmission
transmitter
urban
weather
winter
wireless