per pro

abbr 缩写 = pp 2.

peon, peony, people, pep, pep pill, pep talk, pepper, pepper-and-salt, pepper-mill, pepper-pot, peppercorn, peppermint, peppery, pepsin, peptic, per, per annum, per capita, per cent, per cent (US percent), per se, perambulate, perambulation, perambulator, perceivable, perceive, percent, percentage, percentile, perceptibility, perceptible, perceptibly, perception, perceptive, perceptively, perceptiveness, perceptivity, perceptual, perch, perchance, percipience,