primitive

a.原始的，早期的；简单的，粗糙的

prima facie, primacy, primaeval, primal, primarily, primary, primary colour, primary education, primary school, primate, prime, prime cost, prime meridian, prime minister, prime mover, prime number, prime time, primer, primeval, primeval (also primaeval), primitively, primitiveness, primly, primness, primogeniture, primordial, primordially, primp, primrose, primula, Primus, prince, Prince Consort, princedom, princely, princess, Princeton, Princeton University, principal, principal boy,