pepsin

n [U] liquid produced in the stomach which helps food to be digested 胃蛋白　.

penthouse, penultimate, penumbra, penurious, penuriously, penuriousness, penury, peon, peony, people, pep, pep pill, pep talk, pepper, pepper-and-salt, pepper-mill, pepper-pot, peppercorn, peppermint, peppery, peptic, per, per annum, per capita, per cent, per cent (US percent), per pro, per se, perambulate, perambulation, perambulator, perceivable, perceive, percent, percentage, percentile, perceptibility, perceptible, perceptibly, perception,