incisive

adj. 敏锐的,机敏的,锋利的,切入的

incense, incentive, inception, incessant, incessantly, incest, incestuous, incestuously, inch, inchoate, incidence, incident, incidental, incidentally, incinerate, incineration, incinerator, incipient, incise, incision, incisively, incisiveness, incisor, incite, incitement, incivility, incl, inclemency, inclement, inclination, incline, inclined, inclined plane, inclose, inclosure, include, including, inclusion, inclusive, inclusively,