托福必记必背专业词汇词汇表

air pollution ultraviolet radiation ozone layer infrared acid rain pompeii vesuvius carpathian Pyrenees Scandinavia the Mediterranean Sea sodium nickel zinc lead tin aluminum copper bronze silver platinum iron rubble ore mineralize mineral sandstone obsidian quartz ruby sediment ocean bottom salty saline salinity evaporate sea-floor spreading continental drift geothermal terrestrial torrent emerald diamond gem marble granite limestone metamorphic igneous pebble fieldstone bedrock lithosphere tide coral reef reef cascade waterfall bay riverbed fountain tributary lower reaches upper reaches watershed coastline delta archipelago insular peninsular coral island volcanic island islet continental island subterranean carven dune hillside valley upland sector zenith tableland highland plateau topographical topography transcontinental chondrite continental shelf continental subcontinent inland waterway precipitous bluff cliff ridge gulf crevice strait channel gorge canyon enclave basin oasis lowland landlocked terrain cleft crevasse crack split fissure rift fault zone fault plane fault stratigraphy strata stratum layer oceanic crust continental crust core mantle shell crust aurora the South Pole Antarctica Antarctic the Arctic Circle the North Pole Arctic frigid geography tropical serene temperate equator horizon altitude elevation longitude latitude parallel meridian hemisphere gravity centripetal force centrifugal force light year luminosity black hole interferometer debris space suit astronaut spaceman remote sensing space shuttle spaceship spacecraft outer space flare rotation rotate spin revolve orbit Pluto Neptune Uranus Mercury Jupiter Saturn Venus sunspot chromosphere photosphere leap year solar calendar lunar circular round elliptical oval revolution Mars earth meteor shower comet meteorite meteor meteoroid satellite asteroid planetoid planet stellar star constellation solar eclipse solar corona solar system supernova star cluster nebula interstellar interplanetary intergalactic galaxy the Milky Way astronomy quasar dwarf celestial sphere heavenly body celestial body celestial cosmic cosmology universe cosmos pseudoscience astrology astrophysics hammer gear scoop Rock Painting cave man cranial skull porcelain antiquity weather decay corrode erode antique artifact relic remain ruin unearth excavate excavation clan