新托福听力学术背景词词汇表

el nino acid rain ozone layer deteriorate purify soot disposal sewage exhaust fumes emission pollutant air pollution environmental protection recycle test tube reagent catalyst decomposition solvent solution element property composition biochemistry inorganic chemistry organic chemistry energy thermal conductivity convection distill volatilize vaporize solidify solid liquid liquefy gasify gas calorie thermometer combustion temperature compression temperate volume intensity resonance frequency opaque transparent ultraviolet ray infrared ray reflection magnetic field magnet kilowatt volt ampere electric circuit cathode anode electrode voltage electric current semiconductor insulation charge pulley lever friction resistance deceleration acceleration centrifugal force decelerate accelerate momentum rate speed velocity reaction action inertia motion density specific gravity mass gravitational force gravitation dynamics statics magnetism electricity acoustics optics thermodynamics heat mechanics physics outer atmosphere eclipse meteorite meteor comet satellite asteroid Martian Mars Venus Mercury planet corona sunspot solar system constellation star cluster milky way galaxy light year polestar cosmos celestial body cosmology orbit cosmic universe revolution rotation leap year observatory planetarium astronomer astronomy quartz limestone granite crust mantle core stratum epicenter seismic wave seismology Richter scale magnitude crater lava erupt volcanic volcano glacier iceberg reef coral island archipelago peninsula strait gulf bay spring riverbed tributary watershed peak oasis lowland basin subcontinent topography time difference greenwich mean time time zone meridian longitude Tropic of Cancer Tropic of Capricorn latitude equator aurora North Pole antarctic circle South Pole hemisphere geography geology cave man paleolithic paleoanthropology dinosaur starfish paleontology walnut elm eucalyptus redwood spruce pine larch evergreen shrub root stem leaf nectar petal pollen bud blossom annual perennial bark trunk photosynthesis chlorophyll botany crane stork penguin vulture eagle falcon owl earthworm cockroach hornet wasp mantis cicada centipede scorpion salamander chameleon lizard tadpole frog otter dolphin hibernation hormonal circulatory system reproductive excretory system digestive system spinal cord spine armor hair feather parasitic animal