托福单词列表

ibex iceberg icebox Iceland ichthyosaur icicle icon iconographic iconography icy ID ideal idealistic idealization identical identifiable identification identify identity ideological ideologically ideology idiom idiomatic idle idyllic igloo igneous ignite ignition ignorance ignorant ignore ill Illinois illiterate illness illuminate illumination illusion illusory illustrate illustration illustrator imagery imaginary imagination imaginative imagine imagist imbalance imbibe imitate imitation imitative imitator immature immaturity immeasurably immediate immense immensely immerse immersion immigrant immigrate immigration imminent immobile immobility immobilize immune immunity immutable impair impart impartially impatient impediment impend impenetrable imperative imperfect imperial impermanence impermeable impersonal impersonation impervious impetus impinge implausible implement implementation implicate implication implicit implicitly imply import importance importation importer impose imposition impossible impractical imprecise impregnate impress impression Impressionism impressionist impressionistic impressive impressively imprint imprisonment improbable improve improvement improvisation improvise impulse impurity inability inaccessible inaccurate inactivate inactive inactivity inadequacy inadequate inadequately inadvertently inanimate inanity inappropriate inaugurate inborn Inca incandescent incapable incapacitated incentive inception incessant incessantly inch inchworm incident incidental incinerate incipient incise inclination incline inclusion inclusive income incoming incompatibility incompatible incomplete incompletely incomprehensible inconclusive incongruity incongruous inconsistency inconspicuous inconspicuously inconvenient incorporate incorporation incorrect incorrectly increasingly incredible incubate incubation incubator incur incursion indebted indecipherable indeed indefinite indefinitely independence independent indeterminate index India Indian Indiana indication indicator indifference indifferent indigenous indigestible indigo indirect indirectly indiscernible indispensable indium individualism individualistic individuality individually Indonesia indoor induce inducement inducible induct indulge Indus industrial industrialism industrialist industrialization industrialize industrially industrious industry inedible ineffective inefficient inequality inevitable inevitably inexpensive inexplicable inextricably infancy infant infantile infect infection inference inferential inferior inferiority infertile infest infiltration infinite infinitesimally inflation inflection inflexible inflexibly inflow influential influx inform informal informant informative infrastructure infrequent infrequently infusion ingenious ingeniously ingenuity ingoing ingot ingredient inhabit inhabitant inherent inherit inhibit inhibition inhospitable initial initiate inject injure injury ink inland inn innate inner innermost innkeeper innocence innocent innovation innovative innovator innumerable inoffensive inorganic input inquire insanity insatiable inscribe inscription insect insecure insensitivity insert inside insight insightful insignificant insist insistence insoluble inspect inspection inspector inspiration inspire instability install installation instance instantaneous instantaneously instantly instead instigate instinct instinctive instinctively institute institution instruct instruction instructive instructor instrument instrumentalist insufficient insulate insulation insulator insult insure insurmountable intact intaglio integral integrate integration integrity intellectual intellectually intelligence intelligent intelligently intelligible intend intense intensely intensify intensity intensive intensively intent intention intentional intentionally intently inter interact interaction interactive interchangeable intercity intercommunity interconnect interdependence interdependent interestingly interfere interference interferometer intergalactic interglacial interior interject interlock intermediate intermittent intermittently internal internally international internationally internet interpersonal interplanetary interplay interpret interpretation interrelationship interrupt interruption intersect intersection Interstate interstellar interstitial intertidal intertwine interval intervene intervention interview interviewer intestinal intestine intimacy intimate intimately intimidate intolerant intonation intoxication intricate intricately intrigue intrinsic intrinsically introduce introduction introductory introspective intrude intruder intrusion intuitive Inuit inundate invade invader invariable invariably invasion invent invention inventor inventory invertebrate invest investigate investigation investigator investment investor invigorate invisible invisibly invite invoke involvement inward iodine ion ionize Iraq iridescent iridium Irish ironically ironwork irony Iroquois irrational irrationally irregular irregularly irrelevant irreparable irresistible irresponsible irresponsibly irreverence irreverent irreversible irrigate irrigation irritability irritate islander Isle isolate isolation isotope isotopic Israel issue Italian Italy item itself