I字母开头的单词或词组(第17页)：
- idle
- idiom
- icon
- ideology
- iconoclastic
- icicle
- iconoclast
- illegal
- immunize
- immunity
- immolate
- imminent
- immensity
- immune
- immerse
- immense
- immanent
- immaculate
- immemorial
- imitative
- imitation
- imbroglio
- imbibe
- illusive
- illusion
- illustrate
- imbue
- illusory
- impenitent
- impenetrable
- impending
- impediment
- impecunious
- impede
- impel
- impeach
- impeccable
- impassioned
- impassive
- impart
- impasse
- impartial
- impale
- impalpable