托福单词6000（历年真题词更新）词汇表

pyramid portrait historical enzyme emerge dominate buck selection climax trace stress proposal elevation mid appeal drift volume capacity scale irrigation extremely expansion core presentation concentration track register series precious estimate dense convince phenomenon migrate survival reaction artisan military eliminate trap reflection critic gene ecological detect variation specialized extensive evolutionary cognitive paleolithic geothermal reservoir crocodile frequent mechanism transportation stuff stability sequence release attend gather combine climatic shell principle prey craft psychology previously bacteria summarize responsible sample access copper adaptation adapt brief predict organic exhibit consumer issue propose expose dioxide cultural recommend relative extinct periodic directly decade understanding photography evolution particle instance geologist efficient substance shift urban turtle primarily motion industrial generate observation sculpture reveal demonstrate obtain landscape opportunity diversity device vegetation clay additional stimulus statue architecture glacial contrast commercial potential performance extend property presence valley effective density mammal biological religious rapid pottery internal expand route stratum haven comet rural crater terrestrial throughout rub colony reef volcanic refer settlement preserve infant assignment completely root upper introductory particularly groundwater recent surround represent minor economic narrator maintain highlight carbon reflect perform origin vary display coral nutrient mineral melt locate evolve response incorrect ecosystem economy range cell emphasize identify employee illustrate marine establish decline current significant detail generally sign complex solution figure eventually glacier original semester formation characteristic claim variety tend environmental relatively resource agriculture relate sediment location hypothesis feature specific individual impact habitat technique click predator particular organism involve mass structure community factor essential source affect element site effect region actually occur imply extinction