invariance

n. 不变性; 恒常性

intuition, intuitional, intuitive, intuitively, intumescence, Inuit, inundate, inundation, inure, inured, invade, invader, invalid, invalidate, invalidism, invalidity, invaluable, invariability, invariable, invariably, invasion, invasive, invective, inveigh, inveigle, invent, invention, inventive, inventor, inventory, inverse, inversely, inversion, invert, invertebrate, inverted, inverted commas, inverted snob, invest, investigate,