<單字複習>
已選單詞
area
bridge
cave
cliff
cosmos
direction
dirt
domain
earth
environment
field
galaxy
ground
hill
hole
land
location
moon
mountain
mud
orientation
path
pit
place
plain
planet
plateau
position
realm
region
road
rock
route
sand
scene
setting
site
soil
space
spot
star
stone
street
sun
surroundings
trail
tunnel
universe
valley
way
world
zone
