performance

n.履行，完成；演出，表演

perestroika, perfect, perfect pitch (also absolute pitch), perfectibility, perfectible, perfection, perfectionism, perfectionist, perfectly, prefer sb to do sth., perfervid, perfidious, perfidiously, perfidiousness, perfidy, perforate, perforating, perforation, perforce, perform, performer, performing arts, perfume, perfumed, perfumer, perfumery, perfunctorily, perfunctoriness, perfunctory, pergola, perhaps, peri-, perigee, perihelion, peril, perilous, perimeter, period, period piece, periodic,