if necessary

如果必要的话

idle, idleness, idler, idly, idol, idolater, idolatrize, idolatrous, idolatrously, idolatry, idolization, idolisation, idolize, idolize, idolise, idyll, idyllic, idyllically, ie, ieur, if, if any, if only, igloo, igneous, ignite, ignition, ignoble, ignobly, ignominious, ignominiously, ignominy, ignoramus, ignorance, ignorant, ignorantly, ignore, iguana, ikon, il-, ilex, ilk,