infant prodigy

unusually talented child that shows signs of genius from an early age 神童.

inexpiable, inexplicability, inexplicable, inexplicably, inexplicit, inexpressible, inexpressibly, inextinguishable, inextinguishably, inextricable, inextricably, inf, infallibility, infallible, infallibly, infamous, infamously, infamy, infancy, infant, infant school, infanticide, infantile, infantile paralysis, infantilism, infantry, infantryman, infatuate, infatuated, infatuation, infect, infection, infectious, infectiously, infectiousness, infelicitous, infelicity, infer, inferable, inference,