highlander
加入词篮highland
upland
inland
outback
plain
champaign
vast
extensive
flat
prairie
lowland
lowlander
basin
low-lying
low
lower
drop off
lake
lakeside
pond
pool
stream
brook
creek
loch
ripple
marsh
swampy
marshland
swamp
wetland
river
river bed
riverfront
riverside
rivulet
the Yellow River
the Yangtze River
lithosphere
mantle
deposit
deposition
stratum
stratigraphy
layer
pile
heap
fill
accumulate
cumulative
zone
Antarctic
Arctic
equator
latitude
longitude
longitudinal
polar
horizon
horizontal
skyline
altitude
vertical
level
sediment
sedimentary
sedimentary layers
sedimentation
rock
rocky
rigid
tough
stiff
stiffen
hard
harden
quartz
marble
granite
basalt
petrology
limestone
mineral
mineralogist
mineralogy
ore
miner
mineworker
mining
fossil
fossilize
fossilization
petrify
amber
coal
coalface
coalfield
coal mine
coal miner
