plainsman

n (pl -men) person living in a region of plains, esp in the great plains of the US 平原居民（尤指在美国大平原上居住的人）.

placidly, placket, plagiarism, plagiarist, plagiarize, plagiarize, plagiarise, plague, plague-ridden (also `plague-stricken), plaice, plaid, plain, plain clothes (esp of police officers), plain dealing, plain flour, plain-clothes man, plain-spoken, plainchant, plainly, plainness, plains, plaint, plaintiff, plaintive, plaintively, plaintiveness, plait, plan, plane, plane geometry, plane sailing, plane-table, planet, planetarium, planetary, plangency, plangent, plangently, plank, planking, plankton,