英文關鍵字
blizzard
bucket
city
clean
cleaner
cleaning
cleans
cleansing
climate
cold
communal
day
driving
excavator
forest
form
frost
frozen
heavy
helping
ice
male
man
men
moving
municipal
north
operative
plough
ploughing
plow
precipitation
removal
remove
road
roads
roadway
scraper
season
shovel
shoveling
snow
snowdrift
snowfall
snowplow
storm
street
sunny
system
territory
theme
tractor
traffic
transport
transportation
weather
winter
work
working