英文關鍵字
slow
motion
street
sweeper
blizzard
city
clean
cleaner
clear
cold
day
deep
face
frost
frozen
ice
janitor
janitorial
job
labor
maintenance
male
man
manual
nature
outdoor
path
pavement
people
person
removal
remove
road
season
service
shovel
shoveling
sidewalk
snow
snowdrift
snowfall
snowstorm
storm
sweeping
tool
uniform
walkway
weather
winter
work
worker