【托福词汇密码】主题词分组词汇表

velocity mass inertia critical mass fusion fission quark quantum meson electron particle neutron symmetrize pendulum amplitude resonance sound wave vacuum buoyancy fluid hydrodynamics torsion strain theory of relativity free fall universal gravitation force dynamics insulation semiconductor conductor generator magnetic force magnetism magnetic field electromagnetic voltmeter voltage discharge charge terminal cathode positive pole anode electrode direct current alternating current ammeter shiver evaporate parched soaked droplet moisture icecap glacier glacial epoch geyser inundation flood deluge drought avalanche fallout lightning rod barometric atmosphere air mass air current winter solstice summer solstice autumnal equinox spring equinox equinox subarctic highland monsoon temperate subtropical continental climate damp arid dense overcast halcyon serene heat wave sultry stuffy sweltering scorching torrid chilly dreary bleak frigid harsh stormy inclement dew fog mist haze thunderstorm cloudburst torrential rain downpour shower drizzle sprinkle tempest hailstorm hail blizzard sleet frost squall blast gale cyclone hurricane typhoon trade wind wind velocity anticyclone trough warm front cold front humidity downfall precipitation Fahrenheit Celsius wind chill weather bureau meteorology leap year astrology congeal condense concentration naked eye stationary luminous detect observe observatory track orbit axis eccentricity telemetry blackout circumlunar blast-off combustion chamber booster rocket carrier rocket vessel astronaut aerospace astronautics perigee apogee weightless gravity gravitational repulsion friction air resistance inactivity supernova magnetic storm pulsar sunspot neutron star proton stellar interstellar antimatter astrophysics lunar eclipse solar eclipse revolution rotation polestar Polaris constellation cluster nebular galaxy solar system ecliptic celestial sphere heavenly bodies meteorite meteor comet asteroid planet Pluto Neptune Uranus Saturn Jupiter Mars earth Venus Mercury celestial body submersible submerge peak mooring plankton salinity saliferous antarctic ocean Indian Ocean Atlantic Ocean Pacific Ocean trench seamount strait continental shelf ocean floor topography submarine counterclockwise upwelling downwelling current whirlpool gyre tidal wave tide oceanography meander weather wear away mechanics transformation aurora bulge uplift chasm subterranean chronological unconformity stratum