indistinguishable

a.不能辨别的，难区分的

indiscernible, indiscipline, indiscreet, indiscreetly, indiscretion, indiscribable, indiscriminate, indiscriminately, indispensability, indispensable, indisposed, indisposition, indisputable, indisputably, indissolubility, indissoluble, indissolubly, indistinct, indistinctly, indistinctness, indistinguishably, indium, individual, individualism, individualist, individualistic, individualistically, individuality, individualize, individualize, individualise, individually, indivisibility, indivisible, indivisibly, Indo-, Indo-European, indoctrinate, indoctrination, indolence, indolent,