global warming
加入词篮world-wide
continent
continental
continental drift
continental shelf
continentally
transcontinental
mainland
island
islander
isle
islet
peninsula
peninsular
Polynesia
Tahiti
tide
current
tidewater
ebb
undercurrent
torrent
surge
sea
sea wall
at sea
dam
seaboard
coastal
marine
maritime
undersea
underseas
oversea
overseas
offshore
ocean
oceanfront
ocean-going
oceanic
oceanography
Pacific Ocean
Antarctic Ocean
Arctic Ocean
Atlantic Ocean
Indian Ocean
Atlantic
desert
desertification
gobi
oasis
mirage
sand
sandy
stone
stony
dirt
clay
ash
topography
topographical
terrain
landform
mountain
mountainous
mountainside
mountaintop
mountaineer
mountaineering
hill
hillside
hilltop
hilly
hillbilly
hillock
valley
ravine
gorge
glen
canyon
dale
vale
cliff
steep
precipice
crag
scarp
abyss
bottomless
massif
slope
summit
peak
ben
ridge
Alps
mount
the Himalayas
plateau
