英文關鍵字
agility
carrier
carry
cold
conveyance
crawler
deep
desksize
dog
drift
effective
engine
facility
fast
flotation
freightage
man
maneuverability
maneuverable
manoeuvre
mini
mobility
moto
motorcycle
overcome
pass
passability
passable
passableness
portable
portative
practicable
road
rover
runnability
snow
snowbank
snowdrift
snowmobile
specialized
technology
terrain
towing
tracked
transport
transportable
transportation
traversable
vehicle
winter