托福专业学科词汇词汇表

brake piston cylinder gear engine carriage car auto bike bicycle motorcycle van automobile vessel wagon prototype vehicle transportation transport traffic congestion stability harmony disagreement discord collide crash conflict rebellion libel discontent inequality poverty affluent wealth breach violate abide by abide observe morality sociable companion isolation solitude conduct manner courtesy protocol netiquette etiquette census respondent questionnaire pollster poll racial ethic ethnic demographer representative senate congress presidential federal empire abhorrence monarchy predecessor administration indigenous custom settlement institution association organization brute civilization interrelation protein oxidation organism carbohydrate carbon dioxide amino acids amino virus toxin infection inflection enzyme fermentation bacterium bacteria microbiology symbiosis photosynthesis herb fern bush shrub prairie meadow lawn jungle bark twig branch trunk shell skin peel kernel stone flesh petal bud flower shoot stalk marsh stem root host plant plant botanical botanist botany young reproduce gregarious diversity civilized primitive baboon ape anthropoid echolocation molt nestle domestication pesticide beneficial compound eye antennae omnivorous herbivorous microbe creature appetite anatomy offspring spawn hatch multiply breed metabolism tentacle fertilizer trapper community bunch herd flock horde caterpillar moth parasite slothful chirp canary coral clam crab prawn lobster shrimp plankton rodent habitat chimpanzee gorilla bat whale dolphin nest beak bill wing migrate prey predator carnivorous predatory domesticate beast turtle regeneration chameleon lizard hibernate worm pest camouflage larva antenna insect suborder genus family order class primate mammal extinction bird dinosaur amphibian reptile aquatic invertebrate algae alga reverse obstruct block survival vacuum natural selection specimen species Darwinism evolution zero emission traffic jam rush hour recycle purify renewable noise pollution melt litter trash global warming gas garbage fossil fuel flood nonrenewable fuel-efficient tidal