pianissimo

adv, adj (abbr 缩写 pp) very soft(ly) 极弱（的）.

phrenological, phrenologist, phrenology, phut, phylum, physi(o)-, physical, physical exercises, physically, physician, physicist, physics, physiognomy, physiological, physiologist, physiology, physiotherapist, physiotherapy, physique, pi, pianist, piano, piano-accordion, pianola (also Pianola), piastre (US piaster), piazza, pibroch, pica, picador, picaresque, Piccadilly, piccalilli, piccaninny, piccolo, pick, pick off, pick on sb, pick out, pick sb/sth out, pick sth over,